Open Source Alternatives to Popular Software
Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.
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End-to-end open source software delivery platform
Stars
38,905Last commit
2 days agoLicense
Apache-2.0
Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.
Open Source Alternative to:
Secure storage and access control for secrets and sensitive data
Stars
36,514Last commit
1 day agoLicense
Unknown
Manages tokens, passwords, certificates, and encryption keys through a UI, CLI, or HTTP API, with dynamic credentials and encryption-as-a-service built in.
Open Source Alternative to:
Organize terminal sessions with built-in layouts, tabs, and panes
Stars
36,061Last commit
1 day agoLicense
MIT
A terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
Stars growing quickly over the last 30 days22,703Last commit
5 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
Multi-model AI workspace with org-wide skill sharing
Stars
24,516Last commit
13 hours agoLicense
MIT
Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.
Open Source Alternative to:
Track your net worth across accounts and assets
Stars
54,189Last commit
1 year agoLicense
AGPL-3.0
Personal finance tracker that consolidates accounts, investments, and assets into a single net worth dashboard with goal tracking and projections.
Open Source Alternative to:
Open blueprints for governed, always-on AI agents
Stars
23,026Last commit
4 hours agoLicense
Apache-2.0
Collection of open blueprints combining models, agent harnesses, and runtime controls to deploy specialized autonomous AI agents with policy-based guardrails.
Open Source Alternative to:
Local-first envelope budgeting with full data ownership
Stars
30,253Last commit
6 hours agoLicense
MIT
Privacy-focused personal finance app using envelope budgeting, multi-device sync, optional end-to-end encryption, and bank sync for US, EU, and UK users.
Open Source Alternative to:
Open source infrastructure as code tool
Stars
30,858Last commit
1 day agoLicense
MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.
Open Source Alternative to:
Open-source backend in a single file
Stars
61,592Last commit
19 days agoLicense
MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open Source Alternative to:
Secure access management for modern IT infrastructure
Stars
31,961Last commit
21 hours agoLicense
GPL-3.0
Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.
Open Source Alternative to:
Blazing-fast in-memory data store for modern applications
Stars
31,872Last commit
10 hours agoLicense
Unknown
Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.
Open Source Alternative to:
Organized team chat for distributed teams
Stars
26,227Last commit
21 hours agoLicense
Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
Open Source Alternative to:
Secure secret management for modern development teams
Stars
30,515Last commit
5 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
Transform natural language into SQL queries with AI
Stars
28,362Last commit
4 days agoLicense
Apache-2.0
AI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,936Last commit
5 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Chromium browser built for sharing with AI agents
Stars
Stars growing quickly over the last 30 days22,879Last commit
20 hours agoLicense
MIT
A Chromium-based browser that lets AI agents like Claude Code and Codex run web automation using your real logged-in sessions, without interrupting your browsing.
Open Source Alternative to:
Declarative workflow orchestration for data, AI, and infra
Stars
30,233Last commit
23 hours agoLicense
Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Open Source Alternative to:
Open-source vector database for AI search and retrieval
Stars
29,684Last commit
1 day agoLicense
Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Open Source Alternative to:
Private, secure video calls with no account needed
Stars
30,238Last commit
19 hours agoLicense
Apache-2.0
Host encrypted video conferences directly in your browser, deploy on your own servers, or integrate into applications - all with this powerful open source platform.
Open Source Alternative to:
Secure, private photo storage and sharing solution
Stars
30,124Last commit
17 hours agoLicense
AGPL-3.0
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
35,676Last commit
17 hours agoLicense
GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.
Open Source Alternative to:
Run coding agents from your phone, desktop, or terminal
Stars
Stars growing quickly over the last 30 days24,060Last commit
4 hours agoLicense
Apache-2.0
Self-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.
Open Source Alternative to:
Screen recorder with instant sharing and a built-in editor
Stars
Stars growing over the last 30 days25,026Last commit
6 hours agoLicense
AGPL-3.0
Record your screen in Instant, Studio, or Screenshot mode, then share via a link with auto-generated transcripts, chapters, and summaries.
Open Source Alternative to:
Zero Trust networking with WireGuard-based secure connectivity
Stars
Stars growing over the last 30 days30,993Last commit
6 hours agoLicense
Unknown
Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.
Open Source Alternative to:
Desktop and phone app for your Claude, Codex and Grok sessions
Stars
24,640Last commit
16 hours agoLicense
MIT
Orchestrates Claude Code, Codex, and Grok through a single desktop and mobile app, reusing the AI subscriptions you already pay for.
Open Source Alternative to:
Visual React editor with real-time code updates
Stars
27,216Last commit
24 days agoLicense
Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
25,527Last commit
4 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
Purpose-built time series database for real-time systems
Stars
31,812Last commit
1 day agoLicense
Apache-2.0
InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.
Open Source Alternative to:
Full-stack Python platform for web apps and internal tools
Stars
29,023Last commit
19 hours agoLicense
Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Open Source Alternative to:
High-performance object storage designed for AI workloads
Stars
61,254Last commit
7 months agoLicense
AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open Source Alternative to:
Spaced repetition flashcards that remember for you
Stars
32,798Last commit
22 hours agoLicense
Unknown
Flashcard app using spaced repetition to schedule reviews at the exact moment you're likely to forget, so you retain more with less study time.
Open Source Alternative to:
Private messaging with end-to-end encryption
Stars
29,636Last commit
1 day agoLicense
AGPL-3.0
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
Open Source Alternative to:
Cost-effective log aggregation that indexes labels, not full text
Stars
29,161Last commit
14 hours agoLicense
AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.
Open Source Alternative to:
Build unlimited AI apps locally with zero vendor lock-in
Stars
22,297Last commit
22 hours agoLicense
Apache-2.0
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.
Open Source Alternative to:
Branded short links with analytics and conversion tracking
Stars
25,167Last commit
19 days agoLicense
AGPL-3.0
Link management platform for marketing teams with custom domains, UTM builder, A/B testing, geo-targeting, QR codes, and real-time conversion analytics.
Open Source Alternative to:
All-in-one workspace for project, chat, and docs
Stars
28,121Last commit
5 days agoLicense
EPL-2.0
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Open Source Alternative to:
Privacy-focused, lightweight web analytics
Stars
29,845Last commit
1 day agoLicense
AGPL-3.0
Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
Stars
23,157Last commit
15 hours agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Open Source Alternative to:
Open source Laravel eCommerce platform for modern businesses
Stars
28,372Last commit
1 day agoLicense
MIT
A flexible eCommerce platform built on Laravel that enables businesses to create marketplaces, mobile apps, and headless commerce solutions
Open Source Alternative to:
Automate any website workflow with AI and computer vision
Stars
23,418Last commit
5 hours agoLicense
AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.
Open Source Alternative to:
Create, customize, and manage your website with ease
Stars
21,543Last commit
19 hours agoLicense
Unknown
A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.
Open Source Alternative to:
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Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Highseat
Postiz
Stellar Hosted