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Handpicked Open Source Alternatives to Paid Softwares

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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr Flow
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

OpenClaw

Alternative toMuse

Self-hosted AI assistant for WhatsApp, Telegram, and more

  • 392,852 GitHub stars
  • MITLicence MIT
  • #AI Agents

Omnara

Sponsored

Alternative toCClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

  • 3,235 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 101,267 GitHub stars
  • MITLicence MIT
  • #AI Agents

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 59,346 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,379 GitHub stars

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,787 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

CleanYourTV

Alternative toATV Launcher Pro

Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

  • 35,334 GitHub stars
  • MIT LicenseLicence MIT License

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

AI-powered reverse engineering for binaries, apps, and assemblies.

  • 372,155 GitHub stars
  • MITLicence MIT

Spotifast

Alternative toSpotify Premium

Spotify, native and fast, for Linux, macOS, and Windows.

  • 9,164 GitHub stars
  • MITLicence MIT
  • #macOS

Hermes Agent

Alternative toGrok Bot

Self-hosted AI agent: persistent memory, multi-channel chat, model choice.

  • 256,492 GitHub stars
  • MITLicence MIT
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 106,516 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

Self-hosted team chat where people and AI agents work together

  • 36,286 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

rakazo

Sponsored

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 5,406 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Feature your product

Your product on a Featured card across the site.

Get featured

Trending open source projects this week

The projects gaining the most GitHub stars in the last seven days.

As of 26 Oct 2026

  1. 0101+57,981 stars this week

    REA (Reverse Engineer Anything)

    Featured

    AI-powered reverse engineering for binaries, apps, and assemblies.

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +57,981 stars this week385,460 GitHub stars
  2. 0202+14,078 stars this week

    CleanYourTV

    Featured

    Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

    Alternative toATV Launcher Pro

    Alternative toATV Launcher Pro

    +14,078 stars this week35,709 GitHub stars
  3. 0303+15,849 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +15,849 stars this week47,146 GitHub stars
  4. 0404+1,852 stars this week

    Hallmark

    Design skill for coding agents with 48 themes, real photos and lint.

    InDesign & Creative

    InDesign & Creative

    +1,852 stars this week34,118 GitHub stars
  5. 0505+10,876 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +10,876 stars this week87,100 GitHub stars
  6. 0606+8,946 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +8,946 stars this week176,266 GitHub stars
  7. 0707+8,791 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +8,791 stars this week105,997 GitHub stars
  8. 0808+975 stars this week

    Claude Seo

    SEO audit plugin for Claude Code, 26 skills and 19 agents

    InMarketing & Growth

    InMarketing & Growth

    +975 stars this week21,083 GitHub stars
  9. 0909+6,757 stars this week

    graphify

    Turn your codebase into a knowledge graph your AI can trace and cite.

    Alternative toAtlassian Code Context

    Alternative toAtlassian Code Context

    +6,757 stars this week135,377 GitHub stars
  10. 1010+6,727 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +6,727 stars this week303,337 GitHub stars

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open source alternative guides

Long, ranked guides to open source software alternatives, each reviewed and dated by our editors.

Browse all 12 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode220,523 GitHub stars
  2. 2oh-my-pi36,350 GitHub stars
  3. 3kilocode27,723 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift363 GitHub stars
  2. 2OpenProject16,584 GitHub stars
  3. 3Plane61,335 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,685 GitHub stars
  2. 2AFFiNE73,772 GitHub stars
  3. 3Outline41,041 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,416 GitHub stars
  2. 2Rocket.Chat46,304 GitHub stars
  3. 3Zulip26,098 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,536 GitHub stars
  2. 2OpenProject16,584 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy34,459 GitHub stars
  2. 2VoiceInk6,907 GitHub stars
  3. 3FluidVoice12,428 GitHub stars
Read the Wispr Flow guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat11,508 GitHub stars
  2. 2OpenCut95,798 GitHub stars
  3. 3Shotcut15,481 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo5,406 GitHub stars
  2. 2OpenMausBot5,504 GitHub stars
  3. 3OpenBot7,078 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,787 GitHub stars
  2. 2Macro4,865 GitHub stars
  3. 3Mailspring17,938 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,639 GitHub stars
  2. 2Budibase 28,345 GitHub stars
  3. 3ToolJet41,122 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw392,852 GitHub stars
  2. 2Hermes Agent256,492 GitHub stars
  3. 3rakazo5,406 GitHub stars
Read the Muse guide →

Railway open source alternatives

6 ranked · reviewed 25 Oct
  1. 1Coolify63,521 GitHub stars
  2. 2Dokploy38,011 GitHub stars
  3. 3openship14,912 GitHub stars
Read the Railway guide →

Popular and new self-hosted open source projects

The most starred open source alternatives to paid software, then the newest additions. Each one is free to install or self-host.

Browse recently added projects

TradingAgents

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Multi-Agent LLM Framework for Financial Trading

  • 113,368 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Agent Skills

InAI & Machine Learning

Structured workflows for AI coding agents.

  • 109,873 GitHub stars
  • MITLicence MIT

Fastapi

Alternative toAWS API Gateway

High-performance Python API framework with auto OpenAPI documentation

  • 104,182 GitHub stars
  • MITLicence MIT

orca

Alternative toConductor

The ultimate IDE for coding agents

  • 103,539 GitHub stars
  • MITLicence MIT

Neovim

Alternative toSublime Text

Hyperextensible Vim-based editor with Lua plugin support

  • 103,130 GitHub stars
  • Apache-2.0Licence Apache-2.0

claude-mem

Alternative toContextPool

Stop re-explaining your codebase to every new agent session

  • 102,789 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

material-ui

Alternative toKendoReact

Open source React components for Google's Material Design

  • 99,265 GitHub stars
  • MITLicence MIT

RuView

Alternative toAWS IoT

Intelligent AI agents for real-world applications

  • 99,252 GitHub stars
  • MITLicence MIT
  • #AI Agents

OpenCut

Alternative toCapCut

Open source video editing in your browser, free forever

  • 95,798 GitHub stars
  • MITLicence MIT
  • #Video

manim

Alternative toAnimo

Programmatic animation engine for explanatory math videos

  • 95,654 GitHub stars
  • MITLicence MIT
  • #Video

Nvm

InDeveloper Tools

Switch Node.js versions per shell with a single bash command

  • 95,637 GitHub stars
  • MITLicence MIT
  • #CLI

LocalSend

Alternative toSend Anywhere

Free cross-platform file sharing over local network, no cloud

  • 95,312 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vllm

Alternative toTogether AI

High-throughput LLM inference server with OpenAI-compatible API

  • 95,256 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Stirling PDF

Alternative toAdobe Acrobat

Self-hosted PDF editor with 50+ tools for every PDF task

  • 94,801 GitHub stars
  • MITLicence MIT

Ente

NEW

Alternative toGoogle Photos

E2EE photo backup with face recognition, AI search, and family plans

  • 29,575 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Uptime Kuma

Alternative toUptimeRobot

Track uptime for websites and APIs with 90+ alert integrations

  • 92,803 GitHub stars
  • MITLicence MIT
  • #Monitoring

ragflow

Alternative toVectara

Open-source RAG engine with document parsing and agent orchestration

  • 92,752 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Paperless-ngx

NEW

Alternative toDocuWare

Self-hosted document archive with OCR indexing and full-text search.

  • 47,071 GitHub stars
  • GPL-3.0Licence GPL-3.0

Zed

Alternative toCursor

High-performance open source code editor with built-in AI

  • 92,102 GitHub stars
  • Apache-2.0Licence Apache-2.0

Home Assistant

Alternative toSamsung SmartThings

Open source home automation with local control priority

  • 91,680 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #IoT

Actual

NEW

Alternative toYNAB

Local-first envelope budgeting with bank sync and E2E encryption

  • 29,732 GitHub stars
  • MITLicence MIT

OpenHands

Alternative toDevin AI

Delegate scoped coding tasks in isolated, reviewable agent sessions

  • 91,672 GitHub stars
  • MITLicence MIT
  • #AI Agents

PaddleOCR

Alternative toGoogle Document AI

Self-hosted OCR toolkit turning PDFs and images into LLM-ready data

  • 91,628 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Cindy

NEW

Alternative toCursor

Local-first AI agent desktop app for Claude Code, Codex, and Pi.

  • 4,108 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

servers

Alternative toComposio

Open reference servers for connecting AI to external tools and data

  • 91,547 GitHub stars
  • CustomLicence Apache-2.0 and MIT (dual, transitioning)
  • #AI Agents

uv

Alternative toAnaconda

Python package manager written in Rust, 10-100x faster than pip

  • 91,144 GitHub stars
  • Apache-2.0Licence Apache-2.0

Maccy

NEW

Alternative toPaste

Keyboard-driven clipboard history for macOS, MIT licensed and free

  • 22,056 GitHub stars
  • MITLicence MIT
  • #macOS

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 89,666 GitHub stars
  • MPL-2.0Licence MPL-2.0

Worldmonitor

Alternative toSeerist

Self-hosted geopolitical risk map: 58 layer types, 469 OSINT feeds.

  • 89,354 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Shenyu

NEW

Alternative toKong Konnect

Java-native API gateway for HTTP, gRPC, Dubbo, and WebSocket services

  • 8,903 GitHub stars
  • Apache-2.0Licence Apache-2.0

Understand-Anything

Alternative toSourcegraph

Interactive knowledge graphs for codebases

  • 87,895 GitHub stars
  • MITLicence MIT

crawl4ai

Alternative toFirecrawl

LLM-ready web crawling without API keys or rate limits

  • 86,176 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Scraping

Subtitleedit

NEW

Alternative toEZTitles

Subtitle editor with OCR, format conversion, and video playback.

  • 14,703 GitHub stars
  • MITLicence MIT
  • #Video

rtk

Alternative toTokenade

CLI proxy that removes 89% of agent context noise on average

  • 84,384 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 84,337 GitHub stars
  • MITLicence MIT
  • #LLM

Dolt

NEW

Alternative toPlanetScale

Git-native SQL database with branching, merging, and row-level diffs.

  • 24,724 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Database

VoiceStudio

Alternative toElevenLabs

Voice cloning, dubbing, and transcription that runs fully offline

  • 82,867 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

MinerU

Alternative toLlamaParse

Document parsing for LLM workflows, OCR, and agent reading.

  • 82,387 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Unity Mcp

NEW

Alternative toUnity

MCP bridge for Unity: 50 tools, any AI client, MIT licensed.

  • 15,381 GitHub stars
  • MITLicence MIT

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 81,618 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
Browse all 924 open source alternatives

Open source software by category

21 categories of self-hosted open source software, including Developer Tools, AI and Machine Learning, and Business and Productivity.

Browse all 21 categories
478

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers
415

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)
199

Business & Productivity

OpenClaw, Excalidraw, RustDesk
199

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers
135

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma
129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw
128

IT Management

Immich, RustDesk, Stirling PDF
110

Cloud & Hosting

dify, RuView, rtk
107

Data & Analytics

Firecrawl, ragflow, Worldmonitor
106

Design & Creative

ComfyUI, Excalidraw, Godot Engine
106

Product & Project Management

agency-agents, freeCodeCamp, Gstack
103

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown
91

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata
80

APIs & Integration

n8n, Firecrawl, iptv
70

Backend Development

graphify, dify, Rust
63

Databases & Storage

Supabase, Immich, Redis
57

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish
35

No-Code & Low-Code

Langflow, n8n, dify
35

Web & App Development

Flutter, Rust, Nvm
31

Finance & Fintech

TradingAgents, MiroFish, OpenBB
29

Customer Support

Twenty, agency-agents, iptv

Articles on open source software

Browse the blog
17 Oct 2026

Best Open Source AI Video Generators in 2026: 8 Compared

I compared 8 open source AI video generators, from raw model weights in ComfyUI and Wan2.2 to finished-short pipelines in MoneyPrinterTurbo.

15 May 2026

The Best Open Source AI Tools You Can Run on Your Own Hardware

Stop paying per token. These open source AI models and tools run entirely on your own hardware: no API keys, no data leaving your server, no monthly bills that scale with usage.

15 May 2026

Best Open Source Git Hosting Platforms for Self-Hosted Teams

GitHub lock-in is real. These open source git hosting platforms let you self-host repositories, CI/CD, and code review on your own server.

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM