Open Source Alternatives

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Handpicked Open Source Alternatives to Paid Softwares

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Claude Code
Jira
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Linear
Wispr Flow
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Open Source Alternatives

Alternatives
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Categories by size882 projects
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New open source projects by email

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Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

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Claude Code
Jira
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Linear
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All alternatives

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Documentation Open Source Tools - Page 2

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Documentation Open Source Tools

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3D Modeling
A/B Testing
AI Agents
AI Coding Assistant
AI SDK
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53 projects, sorted by GitHub stars.

Trilium

Alternative toNotion

Self-hosted hierarchical notes with scripting and note encryption

38,433 GitHub stars
Licence AGPL-3.0

OCRmyPDF

Alternative toABBYY FineReader PDF

Make scanned PDFs searchable and copy-pasteable in one command.

35,105 GitHub stars
Licence MPL-2.0

WeKnora

Alternative toGlean

Self-hosted knowledge base with RAG search, AI agent, and wiki

34,874 GitHub stars
Licence MIT
#LLM

Flameshot

Alternative toSnagit

Open source screenshot tool with annotation and upload

31,265 GitHub stars
Licence GPL-3.0

Huly

Alternative toLinear

One open source workspace to replace Jira, Slack, and Notion

27,941 GitHub stars
Licence EPL-2.0

Docmost

Alternative toConfluence

Self-hosted collaborative wiki and documentation tool

22,041 GitHub stars
Licence AGPL-3.0

Decap CMS

Alternative toCloudCannon

Git-based content management for static site generators

19,440 GitHub stars
Licence MIT
#CMS

Kap

Alternative toCleanShot X

Open source screen recorder for macOS with web tech

19,373 GitHub stars
Licence MIT
#Video

DocuSeal

Alternative toDocuSign

Open source document signing and fillable PDF forms

18,756 GitHub stars
Licence AGPL-3.0

OpenProject

Alternative toJira

Plan projects with Gantt, Scrum, and Kanban, all self-hostable

16,508 GitHub stars
Licence GPL-3.0

OneDev

Alternative toGitHub

Git, CI/CD, issue tracking, wikis, and AI agents on your own server.

15,318 GitHub stars
Licence MIT

MuseScore

Alternative toSibelius

Free music notation and composition software, cross-platform

15,274 GitHub stars
Licence GPL-3.0