27 best open-source tools

Privacy-friendly, open-source Google Analytics alternative

Position #2 of 77 in SaaS · 5 alternatives · Facts on record: 4 of 5 · live ✓ · platforms · pricing page · docs

Open-source password manager trusted by individuals and enterprises

Position #7 of 72 in Other · 4 alternatives · Facts on record: 2 of 5 · live ✓ · platforms

Open-source platform for modern publishing and newsletters

Position #9 of 77 in SaaS · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open-source scheduling infrastructure, the Calendly alternative

Position #11 of 77 in Productivity · 2 alternatives · Facts on record: 1 of 5 · live ✓

Open-source note-taking with sync and encryption

Position #18 of 77 in Productivity · 12 alternatives · Facts on record: 4 of 5 · live ✓ · platforms · pricing page · source

Open-source sandboxed cloud runtimes for AI agent code

Position #19 of 77 in AI Agents · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Agentic GenBI for humans and AI agents

Position #26 of 77 in AI Agents · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Applied AI lab for sovereign agentic systems

Position #30 of 77 in AI Agents · 12 alternatives · Facts on record: 1 of 5 · live ✓

Virtual whiteboard for hand-drawn style diagrams

Position #39 of 77 in Productivity · 3 alternatives · Facts on record: 2 of 5 · live ✓ · platforms

Open platform for cloud coding agents

Position #33 of 77 in Dev Tools · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Free open-source no-code game engine for 2D, 3D and multiplayer games

Position #36 of 74 in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · platforms

Privacy-first analytics you can trust

Position #50 of 77 in SaaS · 5 alternatives · Facts on record: 2 of 5 · live ✓ · pricing page

Open-source Firebase alternative on Postgres

Position #42 of 77 in Dev Tools · 1 alternative · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open-source, self-hosted AI coding assistant

Position #45 of 77 in Dev Tools · 6 alternatives · Facts on record: 3 of 5 · live ✓ · pricing page · source

Infrastructure as code for humans and agents

Position #50 of 77 in Dev Tools · 5 alternatives · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open-source product analytics, replays, flags and experiments in one

77 listed in Dev Tools · 3 alternatives · Facts on record: 1 of 5 · live ✓

Open-source AI coding agent for IDE, terminal, and SDK

77 listed in Dev Tools · 7 alternatives · Facts on record: 5 of 5 · live ✓ · platforms · pricing page · docs · source

Open source content collaboration platform

77 listed in Productivity · Facts on record: 4 of 5 · live ✓ · platforms · pricing page · docs

Lightweight open-source API client that runs in the browser

77 listed in Dev Tools · 3 alternatives · Facts on record: 2 of 5 · live ✓ · platforms

Open-source platform for building LLM apps and agent workflows

77 listed in AI Agents · 5 alternatives · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open source API platform for multi-protocol testing

77 listed in Dev Tools · 12 alternatives · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open-source framework for orchestrating multi-agent AI crews

77 listed in AI Agents · 8 alternatives · Facts on record: 4 of 5 · live ✓ · pricing page · docs · source

Open-source AI operating system for enterprise automation

77 listed in AI Agents · 12 alternatives · Facts on record: 2 of 5 · live ✓ · docs

Free, open-source AI image upscaler for desktop

76 listed in AI Image · 1 alternative · Facts on record: 3 of 5 · live ✓ · pricing page · docs