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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductor
ArcCapCutGrok BotSuperhumanAirtableMuseRailway

Featured

Hermes Agent

Alternative toGrok Bot

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

  • 261,524 GitHub stars
  • MITLicence MIT
  • #AI Agents

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 109,989 GitHub stars
  • MITLicence MIT
  • #AI Agents

rakazo

Sponsored

Alternative toGrok Bot

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

  • 7,478 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 441,247 GitHub stars
  • MITLicence MIT

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 63,448 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

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

  • 55,564 GitHub stars
  • MIT LicenseLicence MIT License

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

  • 386 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Buzz

Alternative toSlack

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

  • 36,787 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 112,038 GitHub stars
  • MITLicence MIT
  • #AI Agents

Spotifast

Alternative toSpotify Premium

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

  • 10,063 GitHub stars
  • MITLicence MIT
  • #macOS

OpenClaw

Alternative toMuse

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

  • 394,144 GitHub stars
  • MITLicence MIT
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 210,007 GitHub stars

SnitchFeed

Sponsored

Live monitoring on LinkedIn, X, Reddit & more. Agentic social listening for startups.

Marketing & Growth

It's a Plan

Alternative toLinear

Self-hosted issue tracker where people and AI agents share one board.

  • 2,210 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,942 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 413 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

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Trending open source projects this week

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

As of 10 Nov 2026

  1. 0101+23,899 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +23,899 stars this week447,353 GitHub stars
  2. 0202+6,636 stars this week

    Sherlock

    OSINT username search across 400+ networks, self-hosted.

    Alternative toOSINT Industries

    Alternative toOSINT Industries

    +6,636 stars this week107,384 GitHub stars
  3. 0303+5,796 stars this week

    Astryx

    Agent-ready React design system with 150+ accessible components.

    Alternative toMUI X

    Alternative toMUI X

    +5,796 stars this week20,440 GitHub stars
  4. 0404+2,384 stars this week

    Misterdownloadmanager

    Free IDM alternative in Rust, with torrents and video downloads.

    Alternative toInternet Download Manager

    Alternative toInternet Download Manager

    +2,384 stars this week4,237 GitHub stars
  5. 0505+12,104 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +12,104 stars this week54,341 GitHub stars
  6. 0606+10,694 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +10,694 stars this week68,201 GitHub stars
  7. 0707+10,385 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +10,385 stars this week20,623 GitHub stars
  8. 0808+9,515 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +9,515 stars this week319,878 GitHub stars
  9. 0909+8,536 stars this week

    OpenMausBot

    Your AI agent team in a chat app, local-first and Apache-2.0 licensed

    Alternative toGrok Bot

    Alternative toGrok Bot

    +8,536 stars this week19,870 GitHub stars
  10. 1010+7,096 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,096 stars this week106,294 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 14 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode225,303 GitHub stars
  2. 2oh-my-pi38,138 GitHub stars
  3. 3kilocode27,906 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift413 GitHub stars
  2. 2OpenProject17,089 GitHub stars
  3. 3Plane62,127 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,440 GitHub stars
  2. 2AFFiNE74,300 GitHub stars
  3. 3Outline41,200 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,555 GitHub stars
  2. 2Rocket.Chat46,374 GitHub stars
  3. 3Zulip26,188 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,552 GitHub stars
  2. 2OpenProject17,089 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy37,955 GitHub stars
  2. 2VoiceInk7,045 GitHub stars
  3. 3FluidVoice12,897 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

13 ranked · reviewed 9 Nov
  1. 1Orca118,573 GitHub stars
  2. 2T3 Code51,445 GitHub stars
  3. 3Nuphos386 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,639 GitHub stars
  2. 2Floorp8,477 GitHub stars
  3. 3Brave3,761 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat16,156 GitHub stars
  2. 2OpenCut97,869 GitHub stars
  3. 3Shotcut15,631 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo7,478 GitHub stars
  2. 2OpenMausBot17,251 GitHub stars
  3. 3OpenBot10,552 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,942 GitHub stars
  2. 2Macro6,195 GitHub stars
  3. 3Mailspring17,998 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,658 GitHub stars
  2. 2Budibase 28,394 GitHub stars
  3. 3ToolJet41,207 GitHub stars
Read the Airtable 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

Immich

Alternative toGoogle Photos

Self-hosted Google Photos with mobile backup and face search

  • 118,521 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

claude-mem

Alternative toContextPool

Stop re-explaining your codebase to every new agent session

  • 114,886 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Supabase

Alternative toFirebase

Open source Firebase: Postgres database, auth, and file storage

  • 114,639 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS

Agent Skills

InAI & Machine Learning

Structured workflows for AI coding agents.

  • 113,902 GitHub stars
  • MITLicence MIT

Fastapi

Alternative toAWS API Gateway

High-performance Python API framework with auto OpenAPI documentation

  • 104,604 GitHub stars
  • MITLicence MIT

VoiceStudio

Alternative toElevenLabs

Voice cloning, dubbing, and transcription that runs fully offline

  • 103,961 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

RuView

Alternative toAWS IoT

Intelligent AI agents for real-world applications

  • 103,835 GitHub stars
  • MITLicence MIT
  • #AI Agents

Neovim

Alternative toSublime Text

Hyperextensible Vim-based editor with Lua plugin support

  • 103,483 GitHub stars
  • Apache-2.0Licence Apache-2.0

Angular

InWeb Development

TypeScript web framework with signals, SSR, and first-party modules

  • 101,465 GitHub stars
  • MITLicence MIT

Sherlock

Alternative toOSINT Industries

OSINT username search across 400+ networks, self-hosted.

  • 100,494 GitHub stars
  • MITLicence MIT

material-ui

Alternative toKendoReact

Open source React components for Google's Material Design

  • 99,300 GitHub stars
  • MITLicence MIT

OpenCut

Alternative toCapCut

Open source video editing in your browser, free forever

  • 97,869 GitHub stars
  • MITLicence MIT
  • #Video

LocalSend

Alternative toSend Anywhere

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

  • 97,739 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vllm

Alternative toTogether AI

High-throughput LLM inference server with OpenAI-compatible API

  • 96,543 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

asm8086

NEW

Alternative toEMU8086

8086 assembly IDE with auto-completion, VIM keybindings, dark theme.

  • 9 GitHub stars
  • MITLicence MIT

manim

Alternative toAnimo

Programmatic animation engine for explanatory math videos

  • 96,263 GitHub stars
  • MITLicence MIT
  • #Video

Stirling PDF

Alternative toAdobe Acrobat

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

  • 95,953 GitHub stars
  • MITLicence MIT

Pots

NEW

Alternative toGrok Bot

Self-hosted AI coworker for Slack and Discord with autonomous action.

  • 23 GitHub stars
  • MITLicence MIT
  • #AI Agents

Nvm

InDeveloper Tools

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

  • 95,767 GitHub stars
  • MITLicence MIT
  • #CLI

Zed

Alternative toCursor

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

  • 94,371 GitHub stars
  • Apache-2.0Licence Apache-2.0

Elephant Goldfish Model

NEW

Alternative toAmazon Kiro

Draft specs with context, review with fresh zero-context agents.

  • 16,479 GitHub stars
  • Apache-2.0Licence Apache-2.0

ragflow

Alternative toVectara

Open-source RAG engine with document parsing and agent orchestration

  • 93,740 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Uptime Kuma

Alternative toUptimeRobot

Track uptime for websites and APIs with 90+ alert integrations

  • 93,354 GitHub stars
  • MITLicence MIT
  • #Monitoring

Claude Quickstarts

NEW

InAI & Machine Learning

MIT-licensed quickstarts for Claude agents, bots, and browser tasks.

  • 20,022 GitHub stars
  • MITLicence MIT
  • #LLM

OpenHands

Alternative toDevin AI

Delegate scoped coding tasks in isolated, reviewable agent sessions

  • 92,918 GitHub stars
  • MITLicence MIT
  • #AI Agents

PaddleOCR

Alternative toGoogle Document AI

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

  • 92,411 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Planning With Files

NEW

InDeveloper Tools

File-based task planning for AI agents, survives /clear and crashes.

  • 27,973 GitHub stars
  • MITLicence MIT

Home Assistant

Alternative toSamsung SmartThings

Open source home automation with local control priority

  • 92,053 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #IoT

servers

Alternative toComposio

Open reference servers for connecting AI to external tools and data

  • 91,890 GitHub stars
  • CustomLicence Apache-2.0 and MIT (dual, transitioning)
  • #AI Agents

LiveReview

NEW

Alternative toCodeRabbit

Self-hosted AI code review with auto-approve and blast-radius scoring

  • 128 GitHub stars
  • CustomLicence Sustainable Use License (fair-code, modified)

uv

Alternative toAnaconda

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

  • 91,808 GitHub stars
  • Apache-2.0Licence Apache-2.0

Understand-Anything

Alternative toSourcegraph

Interactive knowledge graphs for codebases

  • 91,285 GitHub stars
  • MITLicence MIT

Ice

NEW

Alternative toBartender

Menu bar manager for macOS with item search and appearance controls.

  • 29,996 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Worldmonitor

Alternative toSeerist

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

  • 90,351 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 90,213 GitHub stars
  • MPL-2.0Licence MPL-2.0

Rustdesk Server

NEW

Alternative toTeamViewer

Self-hosted relay and rendezvous server for RustDesk remote desktop.

  • 10,720 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

crawl4ai

Alternative toFirecrawl

LLM-ready web crawling without API keys or rate limits

  • 87,103 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Scraping

OmniRoute

Alternative toOpenRouter

352-provider AI gateway with automatic fallback and token compression

  • 85,935 GitHub stars
  • MITLicence MIT
  • #LLM

Laravel Crm

NEW

Alternative toHubSpot CRM

Self-hosted Laravel CRM for leads, contacts, and sales pipelines.

  • 24,128 GitHub stars
  • MITLicence MIT
  • #CRM

rtk

Alternative toTokenade

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

  • 85,850 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI
Browse all 1,198 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
618

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers521

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw291

Business & Productivity

OpenClaw, Excalidraw, RustDesk215

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers180

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Sherlock160

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw151

IT Management

Immich, RustDesk, Stirling PDF132

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown129

Cloud & Hosting

dify, RuView, OmniRoute126

Product & Project Management

agency-agents, freeCodeCamp, Gstack125

Design & Creative

ComfyUI, Excalidraw, Godot Engine123

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata119

Data & Analytics

Firecrawl, ragflow, Worldmonitor91

APIs & Integration

n8n, Firecrawl, iptv85

Backend Development

graphify, dify, Rust76

Databases & Storage

Supabase, Immich, Redis74

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish47

Web & App Development

Flutter, Rust, Angular40

No-Code & Low-Code

Langflow, n8n, dify38

Finance & Fintech

TradingAgents, MiroFish, OpenBB33

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
  • Arc to Zen Browser
  • 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
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • 1Password to KeePassXC
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • 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
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • 1Password to KeePassXC
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi