Open Source Projects using CSS

Parlant

Build compliant customer-facing AI agents with control

Stars
17,993
Forks
1,528
Last commit
38 minutes 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
8,904
Forks
1,011
Last commit
8 hours 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
6,737
Forks
671
Last commit
22 hours 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
5,657
Forks
347
Last commit
4 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

Comp AI

Automate SOC 2, HIPAA, GDPR & ISO 27001 and beyond

Stars
1,502
Forks
292
Last commit
8 hours ago

Automate compliance with AI agents and 500+ integrations. Get audit-ready in days with continuous evidence collection, policy generation, and real-time monitoring.

Open Source Alternative to:

Vanta

LearnHouse

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

Stars
1,423
Forks
287
Last commit
9 hours 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
1,044
Forks
158
Last commit
40 minutes 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
361,393
Forks
73,752
Last commit
8 minutes 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
184,919
Forks
56,988
Last commit
10 minutes 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
146,709
Forks
16,707
Last commit
24 minutes 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:

Dify

AI-powered app creation without coding complexities

Stars
138,552
Forks
21,721
Last commit
1 hour 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

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
132,897
Forks
18,864
Last commit
5 minutes 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:

Grok

Langflow

Visual builder for AI-powered applications and workflows

Stars
147,182
Forks
8,810
Last commit
1 hour 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
111,181
Forks
7,094
Last commit
8 hours ago

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

Open Source Alternative to:

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
121,578
Forks
13,364
Last commit
10 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
112,535
Forks
16,823
Last commit
1 day 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
101,183
Forks
12,141
Last commit
14 minutes 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
98,278
Forks
5,436
Last commit
30 minutes 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
75,410
Forks
14,946
Last commit
15 minutes 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:

Grok

OpenHands

Open-source platform for scalable cloud coding agents

Stars
71,597
Forks
9,011
Last commit
7 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:

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,369
Forks
5,546
Last commit
7 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

Zed

Code at the speed of thought with AI collaboration

Stars
79,453
Forks
7,916
Last commit
6 minutes 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:

Cursor

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
64,361
Forks
6,591
Last commit
1 day 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:

Elasticsearch

The leading distributed search and analytics engine

Stars
76,554
Forks
25,850
Last commit
4 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
52,100
Forks
24,180
Last commit
5 hours 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
78,992
Forks
5,818
Last commit
17 hours 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

Ladybird

A truly independent web browser backed by a non-profit

Stars
62,447
Forks
2,951
Last commit
26 minutes 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
72,502
Forks
17,072
Last commit
51 minutes 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
67,496
Forks
4,764
Last commit
7 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

Grafana

Open source analytics and monitoring solution

Stars
73,325
Forks
13,766
Last commit
28 minutes 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

AnythingLLM

The all-in-one AI application for everyone

Stars
58,672
Forks
6,346
Last commit
8 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:

Grok

NetData

Real-time monitoring for systems and applications

Stars
78,525
Forks
6,417
Last commit
6 hours ago

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

Open Source Alternative to:

DataDog

OpenBB

AI-powered research and analytics workspace

Stars
66,214
Forks
6,602
Last commit
7 hours 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

Odoo

All-in-one business management suite for modern enterprises

Stars
50,232
Forks
32,146
Last commit
19 minutes 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
48,191
Forks
5,086
Last commit
2 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

OBS Studio

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

Stars
71,825
Forks
9,172
Last commit
5 hours ago

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

Open Source Alternative to:

Cline

Open-source AI coding agent with frontier models

Stars
60,495
Forks
6,204
Last commit
4 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:

Cursor

Novu

The open source Inbox component and notification platform

Stars
38,843
Forks
4,263
Last commit
6 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
29,123
Forks
5,222
Last commit
1 day 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
23,428
Forks
2,948
Last commit
53 minutes ago

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

Open Source Alternative to:

Bitly

screenpipe

24/7 AI screen memory that remembers everything

Stars
18,287
Forks
1,627
Last commit
2 hours ago

Open source AI-powered screen recorder that captures screen and audio 24/7. Search your digital history with natural language, get AI assistance, and automate workflows. 100% local and private.

Open Source Alternative to:

Rewind.ai

Cap

Open source screen recording with instant sharing

Stars
18,264
Forks
1,420
Last commit
6 days 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:

Parlant

Build compliant customer-facing AI agents with control

Stars
17,993
Forks
1,528
Last commit
38 minutes 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
8,904
Forks
1,011
Last commit
8 hours 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
6,737
Forks
671
Last commit
22 hours 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
5,657
Forks
347
Last commit
4 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

Comp AI

Automate SOC 2, HIPAA, GDPR & ISO 27001 and beyond

Stars
1,502
Forks
292
Last commit
8 hours ago

Automate compliance with AI agents and 500+ integrations. Get audit-ready in days with continuous evidence collection, policy generation, and real-time monitoring.

Open Source Alternative to:

Vanta

LearnHouse

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

Stars
1,423
Forks
287
Last commit
9 hours 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
1,044
Forks
158
Last commit
40 minutes 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
361,393
Forks
73,752
Last commit
8 minutes 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
184,919
Forks
56,988
Last commit
10 minutes 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
146,709
Forks
16,707
Last commit
24 minutes 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:

Dify

AI-powered app creation without coding complexities

Stars
138,552
Forks
21,721
Last commit
1 hour 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

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
132,897
Forks
18,864
Last commit
5 minutes 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:

Grok

Langflow

Visual builder for AI-powered applications and workflows

Stars
147,182
Forks
8,810
Last commit
1 hour 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
111,181
Forks
7,094
Last commit
8 hours ago

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

Open Source Alternative to:

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
121,578
Forks
13,364
Last commit
10 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
112,535
Forks
16,823
Last commit
1 day 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
101,183
Forks
12,141
Last commit
14 minutes 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
98,278
Forks
5,436
Last commit
30 minutes 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
75,410
Forks
14,946
Last commit
15 minutes 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:

Grok

OpenHands

Open-source platform for scalable cloud coding agents

Stars
71,597
Forks
9,011
Last commit
7 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:

Daytona

Lightning-fast AI code execution in secure sandboxes

Stars
72,369
Forks
5,546
Last commit
7 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

Zed

Code at the speed of thought with AI collaboration

Stars
79,453
Forks
7,916
Last commit
6 minutes 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:

Cursor

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
64,361
Forks
6,591
Last commit
1 day 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:

Elasticsearch

The leading distributed search and analytics engine

Stars
76,554
Forks
25,850
Last commit
4 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
52,100
Forks
24,180
Last commit
5 hours 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
78,992
Forks
5,818
Last commit
17 hours 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

Ladybird

A truly independent web browser backed by a non-profit

Stars
62,447
Forks
2,951
Last commit
26 minutes 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
72,502
Forks
17,072
Last commit
51 minutes 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
67,496
Forks
4,764
Last commit
7 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

Grafana

Open source analytics and monitoring solution

Stars
73,325
Forks
13,766
Last commit
28 minutes 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

AnythingLLM

The all-in-one AI application for everyone

Stars
58,672
Forks
6,346
Last commit
8 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:

Grok

NetData

Real-time monitoring for systems and applications

Stars
78,525
Forks
6,417
Last commit
6 hours ago

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

Open Source Alternative to:

DataDog

OpenBB

AI-powered research and analytics workspace

Stars
66,214
Forks
6,602
Last commit
7 hours 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

Odoo

All-in-one business management suite for modern enterprises

Stars
50,232
Forks
32,146
Last commit
19 minutes 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
48,191
Forks
5,086
Last commit
2 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

OBS Studio

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

Stars
71,825
Forks
9,172
Last commit
5 hours ago

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

Open Source Alternative to: