Open Source Projects using CSS

A curated collection of the 563 best open source software using CSS. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Cline

Open-source AI coding agent with frontier models

Stars
61,600
Forks
6,396
Last commit
11 hours ago

Open-source AI coding agent offering direct access to frontier models with complete transparency. Features Plan Mode, MCP integration, and zero vendor lock-in.

Open Source Alternative to:

Claude Code

Novu

The open source Inbox component and notification platform

Stars
38,965
Forks
4,283
Last commit
5 hours ago

A powerful, open-source notification infrastructure for developers to manage and send multi-channel notifications with ease.

Open Source Alternative to:

Customer.io

Postiz

AI-powered social media management platform

Stars
30,238
Forks
5,493
Last commit
6 hours ago

Postiz offers an all-in-one solution for scheduling posts, creating content, and analyzing performance across multiple social networks.

Open Source Alternative to:

HootSuite

Dub

Link management for modern marketing teams

Stars
23,521
Forks
2,985
Last commit
4 hours ago

The link management platform for modern marketing teams to create marketing campaigns, link sharing features, and referral programs.

Open Source Alternative to:

Bitly

Cap

Open source screen recording with instant sharing

Stars
18,872
Forks
1,503
Last commit
12 hours ago

Cross-platform screen recording tool with instant sharing, local editing, AI features, and custom S3 storage. Open source alternative to Loom.

Open Source Alternative to:

Loom

Parlant

Build compliant customer-facing AI agents with control

Stars
18,062
Forks
1,527
Last commit
14 hours ago

Conversational AI engine that keeps agents business-aligned and compliant as you scale. Build adaptive agents through feedback-driven development.

Open Source Alternative to:

Voiceflow

Hanko

Secure, passwordless authentication for modern web apps

Stars
8,922
Forks
1,013
Last commit
2 days ago

Streamline user authentication with passwordless login, enhancing security and user experience for your web applications.

Open Source Alternative to:

Clerk

Plasmic

Visual builder that integrates with your codebase for unlimited app development

Stars
6,782
Forks
676
Last commit
2 days ago

Build web apps, internal tools, and customer portals fast with visual editing, drag-and-drop design, and seamless codebase integration. Deploy anywhere without limits.

Open Source Alternative to:

Webflow

OpenPanel

Privacy-first analytics with powerful insights

Stars
5,729
Forks
358
Last commit
2 days ago

Open-source web and product analytics platform combining Mixpanel's power with Plausible's simplicity. Cookie-less tracking, real-time data, and full data ownership.

Open Source Alternative to:

Google Analytics

LearnHouse

Build, share & monetize courses with modern open-source LMS

Stars
1,601
Forks
311
Last commit
1 day ago

Create and sell online courses with rich content blocks, AI tools, payments, and full white-labeling. Open-source platform with self-hosting options.

Open Source Alternative to:

Miro

Probo

Open source compliance automation platform

Stars
1,070
Forks
161
Last commit
2 days ago

A platform that simplifies compliance management with risk-based assessments, open-source frameworks, and vendor-independent automation.

Open Source Alternative to:

Vanta

OpenClaw

AI assistant that actually executes tasks across platforms

Stars
370,644
Forks
76,590
Last commit
4 hours ago

Personal AI assistant that clears inboxes, sends emails, manages calendars, and checks in for flights. Works through WhatsApp, Telegram, and other chat apps.

Open Source Alternative to:

Zo Computer

n8n

AI-powered workflow automation for technical teams

Stars
187,387
Forks
57,525
Last commit
4 hours ago

A flexible automation platform combining AI capabilities with business process automation, offering both code-based and no-code options for technical teams.

Open Source Alternative to:

Make

OpenCode

AI coding agent with native terminal interface

Stars
158,143
Forks
18,467
Last commit
4 hours ago

Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.

Open Source Alternative to:

Claude Code

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
136,533
Forks
19,441
Last commit
15 hours ago

A customizable interface for AI that works offline, supporting Ollama and OpenAI-compatible APIs while adapting to your specific workflow needs.

Open Source Alternative to:

Claude

Dify

AI-powered app creation without coding complexities

Stars
140,880
Forks
22,117
Last commit
4 hours ago

Create, deploy, and manage AI-native apps effortlessly with a user-friendly platform that combines LLMs and your data

Open Source Alternative to:

Glide

Langflow

Visual builder for AI-powered applications and workflows

Stars
147,945
Forks
8,947
Last commit
6 hours ago

Low-code platform for building agentic and RAG applications with drag-and-drop components, Python customization, and support for any LLM or vector database.

Open Source Alternative to:

Voiceflow

Firecrawl

Blazing-fast web crawling for modern developers

Stars
118,044
Forks
7,335
Last commit
1 day ago

Efficient, scalable web crawler built on Rust. Extract data, monitor sites, and automate web tasks with ease and speed.

Open Source Alternative to:

Browserbase

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
122,904
Forks
13,596
Last commit
19 hours ago

Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.

Open Source Alternative to:

Miro

RustDesk

Secure, fast, and open-source remote desktop software

Stars
113,887
Forks
17,106
Last commit
5 hours ago

Cross-platform remote desktop solution offering seamless control, file transfer, and screen sharing with robust security and customization options.

Open Source Alternative to:

AnyDesk

Supabase

Open-source Firebase alternative for modern app development

Stars
102,151
Forks
12,353
Last commit
4 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

Immich

Self-hosted photo and video backup solution

Stars
100,265
Forks
5,574
Last commit
6 hours ago

Immich is an open-source, privacy-focused platform for managing and storing your personal photos and videos.

Open Source Alternative to:

Google Photos

LobeChat

Your personal AI assistant for enhanced productivity

Stars
76,822
Forks
15,146
Last commit
4 hours ago

LobeChat is an open-source AI chat platform that provides a customizable and feature-rich experience for interacting with AI assistants.

Open Source Alternative to:

Claude

OpenHands

Open-source platform for scalable cloud coding agents

Stars
73,118
Forks
9,254
Last commit
10 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Zed

Code at the speed of thought with AI collaboration

Stars
82,435
Forks
8,408
Last commit
4 hours ago

High-performance code editor built in Rust with native AI integration, real-time collaboration, and lightning-fast performance across multiple platforms.

Open Source Alternative to:

Claude Code

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,331
Forks
5,539
Last commit
15 hours ago

Execute AI-generated code safely with 90ms sandbox creation, isolated environments, and enterprise-grade security. Perfect for AI agents and development workflows.

Open Source Alternative to:

Modal

Elasticsearch

The leading distributed search and analytics engine

Stars
76,673
Forks
25,876
Last commit
6 hours ago

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.

Open Source Alternative to:

Algolia

Flowise AI

Build AI agents and workflows with visual drag-and-drop

Stars
52,714
Forks
24,314
Last commit
2 days ago

Open source platform for building AI agents, chatbots, and LLM workflows using visual drag-and-drop interface. No coding required for rapid prototyping.

Open Source Alternative to:

n8n

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
79,149
Forks
5,865
Last commit
3 days ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Postman

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
65,354
Forks
6,685
Last commit
5 days ago

Fast, AI-ready web crawler that generates clean markdown for RAG pipelines. Features adaptive crawling, structured extraction, and advanced browser control.

Open Source Alternative to:

Browserbase

Ladybird

A truly independent web browser backed by a non-profit

Stars
63,280
Forks
3,027
Last commit
15 hours ago

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Open Source Alternative to:

Firefox

Apache Superset

Modern data exploration and visualization platform

Stars
72,779
Forks
17,243
Last commit
1 day ago

Open-source solution for fast, intuitive data exploration and visualization, supporting various databases and skill levels.

Open Source Alternative to:

Power BI

Affine

Collaborative knowledge creation and management platform

Stars
68,258
Forks
4,837
Last commit
4 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Open Source Alternative to:

Notion

AnythingLLM

The all-in-one AI application for everyone

Stars
59,839
Forks
6,469
Last commit
14 hours ago

Use any LLM to chat with your documents, enhance your productivity, and run the latest state-of-the-art LLMs completely privately with no technical setup.

Open Source Alternative to:

Claude

Grafana

Open source analytics and monitoring solution

Stars
73,665
Forks
13,857
Last commit
4 hours ago

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Open Source Alternative to:

Power BI

OpenBB

AI-powered research and analytics workspace

Stars
67,367
Forks
6,755
Last commit
2 days ago

Integrate, visualize, and analyze data in one place with OpenBB's AI-driven platform for financial research and analytics.

Open Source Alternative to:

Power BI

NetData

Real-time monitoring for systems and applications

Stars
78,768
Forks
6,430
Last commit
4 hours ago

Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

Open Source Alternative to:

DataDog

Odoo

All-in-one business management suite for modern enterprises

Stars
50,582
Forks
32,343
Last commit
4 hours ago

Comprehensive ERP solution offering integrated modules for finance, HR, sales, inventory, and more, tailored for businesses of all sizes.

Open Source Alternative to:

HubSpot

OpenCut

Simple, powerful video editing in your browser

Stars
48,930
Forks
5,216
Last commit
5 days ago

Open source video editor that works on any platform. Edit videos directly in your browser with powerful tools and intuitive interface.

Open Source Alternative to:

CapCut

Mem0

Give your AI apps persistent memory and intelligence

Stars
55,349
Forks
6,271
Last commit
2 days ago

Universal memory layer for LLM applications that learns from user interactions, reduces token costs by 80%, and delivers personalized AI experiences.

Open Source Alternative to:

LangChain

OBS Studio

Free, open-source software for video recording and live streaming

Stars
72,291
Forks
9,229
Last commit
2 days ago

OBS Studio offers high-quality video recording and live streaming capabilities, supporting multiple platforms and providers.

Open Source Alternative to:

Loom

Maybe

Empower your financial future with AI-driven insights

Stars
54,114
Forks
5,618
Last commit
10 months ago

AI-powered personal finance tool for budgeting, investing, and achieving financial goals with personalized recommendations

Open Source Alternative to:

YNAB

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Browse tools using CSS by category

Accounting Software using CSS

Agile Project Management Tools using CSS

AI & Machine Learning Tools using CSS

AI Agent Platforms using CSS

AI API Key Protection Tools using CSS

AI App & Website Builders using CSS

AI Assisted Coding Tools using CSS

AI Chat Interfaces using CSS

AI Code Reviewers using CSS

AI Coding Agents using CSS

AI Coding Assistants using CSS

AI Development Platforms using CSS

AI Gateways using CSS

AI Integration Platforms using CSS

AI Personal Assistants using CSS

AI Search Tools using CSS

AI Terminals using CSS

AI-Powered Editors using CSS

API Clients using CSS

API Development & Testing Tools using CSS

API Documentation Generators using CSS

API Infrastructure Tools using CSS

API Integration Tools using CSS

Application Security Tools using CSS

Appointment Scheduling Tools using CSS

Asset & Inventory Management Tools using CSS

Audio Editors using CSS

Authentication & SSO Providers using CSS

Authorization & Permissions Tools using CSS

Automated Testing Tools using CSS

Backend-as-a-Service (BaaS) Tools using CSS

Backup & Recovery Tools using CSS

BI Platforms using CSS

Blogging Platforms using CSS

Bookmark Managers using CSS

Browser Automation Tools using CSS

Browser Automation for AI Tools using CSS

Browser Extensions using CSS

Budgeting Apps using CSS

Build & Deployment Tools using CSS

Business Software using CSS

Cap Table Management Tools using CSS

CAPTCHA & Bot Protection Tools using CSS

Change Data Capture (CDC) Tools using CSS

Changelog Generators using CSS

Chatbot Platforms using CSS

CI/CD Platforms using CSS

Cloud Data Warehouses using CSS

Cloud File Sync & Share Tools using CSS

Cloud Infrastructure Management Tools using CSS

Cloud Storage Tools using CSS

Code Snippet Stylers using CSS

Code Transformation Tools using CSS

Collaboration & Communication Tools using CSS

Collaborative Notes & Wikis using CSS

Collaborative Workspaces using CSS

Community Building Platforms using CSS

Community Feedback Platforms using CSS

Community Platforms using CSS

Compliance Automation Tools using CSS

Container Orchestration Tools using CSS

Content & Publishing Tools using CSS

Control Panels using CSS

Course Creation Platforms using CSS

CRM & Sales Tools using CSS

CRM Systems using CSS

Cryptocurrency & Blockchain Tools using CSS

Customer Communication Platforms using CSS

Data Engineering & Integration Tools using CSS

Data Extraction & Web Scraping Tools using CSS

Data Platforms for AI using CSS

Data Visualization Tools using CSS

Database Proxies using CSS

Database Tools & GUIs using CSS

Decentralized Social Networks using CSS

Design & Prototyping Tools using CSS

Development Environments using CSS

Digital Asset Management (DAM) Tools using CSS

Digital Signage Solutions using CSS

Distributed Compute Tools using CSS

Distributed Storage Tools using CSS

Document Management Systems using CSS

Documentation & Knowledge Base Tools using CSS

E-commerce Platforms using CSS

E-Signature Platforms using CSS

Email & Communication Tools using CSS

Email Clients using CSS

Email Marketing & Newsletter Tools using CSS

Email Platforms using CSS

Encrypted Communication Tools using CSS

Encrypted Storage Tools using CSS

ERP Systems using CSS

Error Tracking Tools using CSS

ETL & Data Integration Tools using CSS

Event Streaming Platforms using CSS

Event Ticketing & Management Tools using CSS

Expense Management Tools using CSS

Feature Flag Tools using CSS

Feedback & Feature Request Management Tools using CSS

File Management Utilities using CSS

Finance & Fintech Tools using CSS

Financial Data Platforms using CSS

Financial Planning & Analysis (FP&A) Tools using CSS

Financial Risk Management Tools using CSS

Fintech Infrastructure Tools using CSS

Form Backend Services using CSS

Form Builder Tools using CSS

Forms & Survey Tools using CSS

Forum Software using CSS

Frameworks & Platforms using CSS

Fraud Prevention Tools using CSS

Freelancer Tools using CSS

Frontend Development Tools using CSS

Full-Stack E-commerce Tools using CSS

General Purpose Editors using CSS

Git Clients using CSS

Git Platforms using CSS

GPU & Compute Platforms using CSS

Graph Databases using CSS

Headless CMS Tools using CSS

Headless Commerce Tools using CSS

Helpdesk Software using CSS

HR Management Systems (HRMS) using CSS

Identity & Access Management (IAM) Tools using CSS

IDEs & Code Editors using CSS

Infrastructure as Code (IaC) Tools using CSS

Infrastructure Monitoring Tools using CSS

Integration Platforms using CSS

Internal Knowledge Bases using CSS

Investment Tracking Tools using CSS

Investor Relations Platforms using CSS

Invoicing & Payment Tools using CSS

Job Scheduling Tools using CSS

Launchers & Quick Access Tools using CSS

Learning Management Systems (LMS) using CSS

Link Management & Shorteners using CSS

Live Chat & Messaging Tools using CSS

LLM Application Frameworks using CSS

Log Management Tools using CSS

Logistics & Supply Chain Tools using CSS

Logistics Management Tools using CSS

Low-Code/No-Code Platforms using CSS

Machine Learning Infrastructure Tools using CSS

Marketing & Customer Engagement Tools using CSS

Marketing Automation Tools using CSS

Media & Streaming Tools using CSS

Media Servers using CSS

Message Queues using CSS

Mobile Development Platforms using CSS

Monitoring & Observability Tools using CSS

Network Security Tools using CSS

Networking & Connectivity Tools using CSS

NoSQL & Document Databases using CSS

Note Taking & Knowledge Management Tools using CSS

Note-Taking Tools using CSS

Online Design Tools using CSS

PaaS & Deployment Tools using CSS

Password & Secret Management Tools using CSS

Password Managers using CSS

Payment Infrastructure Tools using CSS

Performance Monitoring (APM) Tools using CSS

Personal Finance Management Tools using CSS

Personal Knowledge Management (PKM) Tools using CSS

Personal Tracking Apps using CSS

Photo & Video Management Tools using CSS

Photo Editing Software using CSS

PII Detection & Protection Tools using CSS

Product Analytics using CSS

Product Tour & User Onboarding Tools using CSS

Productivity & Utilities using CSS

Project & Work Management Tools using CSS

Project Management Suites using CSS

Push Notification Services using CSS

Q&A Platforms using CSS

Read-it-Later & Knowledge Hubs using CSS

Relational Databases (SQL) using CSS

Remote Desktop Software using CSS

Sales Automation Tools using CSS

Scraping Platforms & SDKs using CSS

Screen Recording Tools using CSS

Screenshot Utilities using CSS

Search Engines using CSS

Secrets Management Tools using CSS

Secrets Platforms using CSS

Secure & Encrypted Notes using CSS

Secure Document Sharing Tools using CSS

Security & Privacy Tools using CSS

Security Automation (SIEM/SOAR) Tools using CSS

Semantic Layer Platforms using CSS

SEO Tools using CSS

Server & VM Management Tools using CSS

Server Backup Solutions using CSS

Social Media Management Tools using CSS

Static Analysis Tools using CSS

Status Pages using CSS

Storage Tools using CSS

Stream Processing Tools using CSS

Subscription & Billing Management Tools using CSS

Survey Tools using CSS

Task Management Tools using CSS

Task Management Apps using CSS

Team Chat & Messaging Tools using CSS

Technical Writing Platforms using CSS

Terminal Emulators using CSS

Terminal Multiplexers using CSS

Testing & Quality Assurance Tools using CSS

Threat Intelligence Tools using CSS

Time Tracking Tools using CSS

Traditional & Flat-File CMS Tools using CSS

Translation Management Tools using CSS

UI/UX Design Tools using CSS

Uptime Monitoring Tools using CSS

Vector Databases using CSS

Video Conferencing & Virtual Office Tools using CSS

Video Editing Software using CSS

Visual Testing Tools using CSS

VPN & Secure Access Tools using CSS

VPN & Secure Tunnels using CSS

Web Analytics using CSS

Web Browsers using CSS

Web Crawlers using CSS

Web Frameworks using CSS

Web3 Platforms using CSS

Webhook Platforms using CSS

Website Builders using CSS

Whiteboarding Tools using CSS

Wiki Software using CSS

Workflow Automation Tools using CSS

Workflow Orchestration Tools using CSS

Cline

Open-source AI coding agent with frontier models

Stars
61,600
Forks
6,396
Last commit
11 hours ago

Open-source AI coding agent offering direct access to frontier models with complete transparency. Features Plan Mode, MCP integration, and zero vendor lock-in.

Open Source Alternative to:

Claude Code

Novu

The open source Inbox component and notification platform

Stars
38,965
Forks
4,283
Last commit
5 hours ago

A powerful, open-source notification infrastructure for developers to manage and send multi-channel notifications with ease.

Open Source Alternative to:

Customer.io

Postiz

AI-powered social media management platform

Stars
30,238
Forks
5,493
Last commit
6 hours ago

Postiz offers an all-in-one solution for scheduling posts, creating content, and analyzing performance across multiple social networks.

Open Source Alternative to:

HootSuite

Dub

Link management for modern marketing teams

Stars
23,521
Forks
2,985
Last commit
4 hours ago

The link management platform for modern marketing teams to create marketing campaigns, link sharing features, and referral programs.

Open Source Alternative to:

Bitly

Cap

Open source screen recording with instant sharing

Stars
18,872
Forks
1,503
Last commit
12 hours ago

Cross-platform screen recording tool with instant sharing, local editing, AI features, and custom S3 storage. Open source alternative to Loom.

Open Source Alternative to:

Loom

Parlant

Build compliant customer-facing AI agents with control

Stars
18,062
Forks
1,527
Last commit
14 hours ago

Conversational AI engine that keeps agents business-aligned and compliant as you scale. Build adaptive agents through feedback-driven development.

Open Source Alternative to:

Voiceflow

Hanko

Secure, passwordless authentication for modern web apps

Stars
8,922
Forks
1,013
Last commit
2 days ago

Streamline user authentication with passwordless login, enhancing security and user experience for your web applications.

Open Source Alternative to:

Clerk

Plasmic

Visual builder that integrates with your codebase for unlimited app development

Stars
6,782
Forks
676
Last commit
2 days ago

Build web apps, internal tools, and customer portals fast with visual editing, drag-and-drop design, and seamless codebase integration. Deploy anywhere without limits.

Open Source Alternative to:

Webflow

OpenPanel

Privacy-first analytics with powerful insights

Stars
5,729
Forks
358
Last commit
2 days ago

Open-source web and product analytics platform combining Mixpanel's power with Plausible's simplicity. Cookie-less tracking, real-time data, and full data ownership.

Open Source Alternative to:

Google Analytics

LearnHouse

Build, share & monetize courses with modern open-source LMS

Stars
1,601
Forks
311
Last commit
1 day ago

Create and sell online courses with rich content blocks, AI tools, payments, and full white-labeling. Open-source platform with self-hosting options.

Open Source Alternative to:

Miro

Probo

Open source compliance automation platform

Stars
1,070
Forks
161
Last commit
2 days ago

A platform that simplifies compliance management with risk-based assessments, open-source frameworks, and vendor-independent automation.

Open Source Alternative to:

Vanta

OpenClaw

AI assistant that actually executes tasks across platforms

Stars
370,644
Forks
76,590
Last commit
4 hours ago

Personal AI assistant that clears inboxes, sends emails, manages calendars, and checks in for flights. Works through WhatsApp, Telegram, and other chat apps.

Open Source Alternative to:

Zo Computer

n8n

AI-powered workflow automation for technical teams

Stars
187,387
Forks
57,525
Last commit
4 hours ago

A flexible automation platform combining AI capabilities with business process automation, offering both code-based and no-code options for technical teams.

Open Source Alternative to:

Make

OpenCode

AI coding agent with native terminal interface

Stars
158,143
Forks
18,467
Last commit
4 hours ago

Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.

Open Source Alternative to:

Claude Code

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
136,533
Forks
19,441
Last commit
15 hours ago

A customizable interface for AI that works offline, supporting Ollama and OpenAI-compatible APIs while adapting to your specific workflow needs.

Open Source Alternative to:

Claude

Dify

AI-powered app creation without coding complexities

Stars
140,880
Forks
22,117
Last commit
4 hours ago

Create, deploy, and manage AI-native apps effortlessly with a user-friendly platform that combines LLMs and your data

Open Source Alternative to:

Glide

Langflow

Visual builder for AI-powered applications and workflows

Stars
147,945
Forks
8,947
Last commit
6 hours ago

Low-code platform for building agentic and RAG applications with drag-and-drop components, Python customization, and support for any LLM or vector database.

Open Source Alternative to:

Voiceflow

Firecrawl

Blazing-fast web crawling for modern developers

Stars
118,044
Forks
7,335
Last commit
1 day ago

Efficient, scalable web crawler built on Rust. Extract data, monitor sites, and automate web tasks with ease and speed.

Open Source Alternative to:

Browserbase

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
122,904
Forks
13,596
Last commit
19 hours ago

Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.

Open Source Alternative to:

Miro

RustDesk

Secure, fast, and open-source remote desktop software

Stars
113,887
Forks
17,106
Last commit
5 hours ago

Cross-platform remote desktop solution offering seamless control, file transfer, and screen sharing with robust security and customization options.

Open Source Alternative to:

AnyDesk

Supabase

Open-source Firebase alternative for modern app development

Stars
102,151
Forks
12,353
Last commit
4 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

Immich

Self-hosted photo and video backup solution

Stars
100,265
Forks
5,574
Last commit
6 hours ago

Immich is an open-source, privacy-focused platform for managing and storing your personal photos and videos.

Open Source Alternative to:

Google Photos

LobeChat

Your personal AI assistant for enhanced productivity

Stars
76,822
Forks
15,146
Last commit
4 hours ago

LobeChat is an open-source AI chat platform that provides a customizable and feature-rich experience for interacting with AI assistants.

Open Source Alternative to:

Claude

OpenHands

Open-source platform for scalable cloud coding agents

Stars
73,118
Forks
9,254
Last commit
10 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Zed

Code at the speed of thought with AI collaboration

Stars
82,435
Forks
8,408
Last commit
4 hours ago

High-performance code editor built in Rust with native AI integration, real-time collaboration, and lightning-fast performance across multiple platforms.

Open Source Alternative to:

Claude Code

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,331
Forks
5,539
Last commit
15 hours ago

Execute AI-generated code safely with 90ms sandbox creation, isolated environments, and enterprise-grade security. Perfect for AI agents and development workflows.

Open Source Alternative to:

Modal

Elasticsearch

The leading distributed search and analytics engine

Stars
76,673
Forks
25,876
Last commit
6 hours ago

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.

Open Source Alternative to:

Algolia

Flowise AI

Build AI agents and workflows with visual drag-and-drop

Stars
52,714
Forks
24,314
Last commit
2 days ago

Open source platform for building AI agents, chatbots, and LLM workflows using visual drag-and-drop interface. No coding required for rapid prototyping.

Open Source Alternative to:

n8n

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
79,149
Forks
5,865
Last commit
3 days ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Postman

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
65,354
Forks
6,685
Last commit
5 days ago

Fast, AI-ready web crawler that generates clean markdown for RAG pipelines. Features adaptive crawling, structured extraction, and advanced browser control.

Open Source Alternative to:

Browserbase

Ladybird

A truly independent web browser backed by a non-profit

Stars
63,280
Forks
3,027
Last commit
15 hours ago

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Open Source Alternative to:

Firefox

Apache Superset

Modern data exploration and visualization platform

Stars
72,779
Forks
17,243
Last commit
1 day ago

Open-source solution for fast, intuitive data exploration and visualization, supporting various databases and skill levels.

Open Source Alternative to:

Power BI

Affine

Collaborative knowledge creation and management platform

Stars
68,258
Forks
4,837
Last commit
4 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Open Source Alternative to:

Notion

AnythingLLM

The all-in-one AI application for everyone

Stars
59,839
Forks
6,469
Last commit
14 hours ago

Use any LLM to chat with your documents, enhance your productivity, and run the latest state-of-the-art LLMs completely privately with no technical setup.

Open Source Alternative to:

Claude