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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductor
ArcCapCutGrok BotSuperhumanAirtableMuseRailway

Featured

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

SnitchFeed

Sponsored

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

Marketing & Growth

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

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

Hermes Agent

Alternative toGrok Bot

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

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

It's a Plan

Alternative toLinear

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

  • 2,259 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 110,916 GitHub stars
  • MITLicence MIT
  • #AI Agents

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

  • 386 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

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 210,007 GitHub stars

Spotifast

Alternative toSpotify Premium

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

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

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

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

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

Buzz

Alternative toSlack

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

  • 36,841 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

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

OpenClaw

Alternative toMuse

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

  • 394,301 GitHub stars
  • MITLicence MIT
  • #AI Agents

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Trending open source projects this week

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

As of 11 Nov 2026

  1. 0101+22,797 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +22,797 stars this week450,348 GitHub stars
  2. 0202+8,566 stars this week

    Astryx

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

    Alternative toMUI X

    Alternative toMUI X

    +8,566 stars this week23,210 GitHub stars
  3. 0303+8,425 stars this week

    Sherlock

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

    Alternative toOSINT Industries

    Alternative toOSINT Industries

    +8,425 stars this week109,173 GitHub stars
  4. 0404+3,825 stars this week

    Misterdownloadmanager

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

    Alternative toInternet Download Manager

    Alternative toInternet Download Manager

    +3,825 stars this week5,678 GitHub stars
  5. 0505+11,240 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +11,240 stars this week55,897 GitHub stars
  6. 0606+11,149 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +11,149 stars this week69,444 GitHub stars
  7. 0707+9,444 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +9,444 stars this week321,064 GitHub stars
  8. 0808+8,996 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

    +8,996 stars this week20,737 GitHub stars
  9. 0909+8,389 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +8,389 stars this week21,484 GitHub stars
  10. 1010+7,187 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,187 stars this week107,388 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. 1OpenCode225,912 GitHub stars
  2. 2oh-my-pi38,563 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. 2OpenProject17,227 GitHub stars
  3. 3Plane62,269 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,440 GitHub stars
  2. 2AFFiNE74,425 GitHub stars
  3. 3Outline41,224 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,572 GitHub stars
  2. 2Rocket.Chat46,386 GitHub stars
  3. 3Zulip26,202 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,552 GitHub stars
  2. 2OpenProject17,227 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. 2VoiceInk7,073 GitHub stars
  3. 3FluidVoice12,897 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

13 ranked · reviewed 9 Nov
  1. 1Orca121,450 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 Browser45,713 GitHub stars
  2. 2Floorp8,489 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. 2Macro6,237 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 28,399 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

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 85,118 GitHub stars
  • MITLicence MIT
  • #LLM

LobeHub

Alternative toRelevance AI

AI agent team operator with IM gateway and persistent memory.

  • 84,888 GitHub stars
  • CustomLicence Apache-2.0 with LobeHub Community License additional terms
  • #AI Agents

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 84,850 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

MinerU

Alternative toLlamaParse

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

  • 83,309 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 81,424 GitHub stars
  • MITLicence MIT
  • #AI Agents

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,355 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 81,084 GitHub stars
  • MITLicence MIT

career-ops

Alternative toAIApply

AI job search agent that scores listings and tailors CVs locally.

  • 80,977 GitHub stars
  • MITLicence MIT

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,773 GitHub stars
  • MITLicence MIT
  • #API Client

hyperframes

Alternative toRemotion

Turn HTML and CSS into rendered MP4 videos, built for AI agents.

  • 80,648 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Code Server

Alternative toGitHub Codespaces

VS Code in the browser, self-hosted, with no per-seat pricing.

  • 79,830 GitHub stars
  • MITLicence MIT

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 79,300 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 79,267 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 79,164 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

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 78,461 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 78,440 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Pots

NEW

Alternative toGrok Bot

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

  • 23 GitHub stars
  • MITLicence MIT
  • #AI Agents

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,814 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,289 GitHub stars
  • #Database

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

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 77,016 GitHub stars
  • MITLicence MIT

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,465 GitHub stars
  • Apache-2.0Licence Apache-2.0

Claude Quickstarts

NEW

InAI & Machine Learning

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

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

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 75,239 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 74,425 GitHub stars
  • MITLicence MIT

Planning With Files

NEW

InDeveloper Tools

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

  • 27,973 GitHub stars
  • MITLicence MIT

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 74,406 GitHub stars
  • MITLicence MIT

Mole

Alternative toCleanMyMac X

Free CLI and native app for Mac cleanup, uninstall, and disk analysis

  • 74,362 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

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)

strix

Alternative toXBOW

Autonomous AI pentesting with proof-of-exploit and auto-fix PRs.

  • 74,293 GitHub stars
  • Apache-2.0Licence Apache-2.0

Strapi

Alternative toContentful

Headless CMS with auto-generated REST and GraphQL for any content model.

  • 73,455 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

Cline

Alternative toGitHub Copilot

VS Code AI agent that plans and edits across your entire project

  • 71,503 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 70,532 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

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

Openinterpreter

Alternative toClaude Code

Coding agent for low-cost open models with Codex compatibility

  • 68,842 GitHub stars
  • Apache-2.0Licence Apache-2.0

AnythingLLM

Alternative toChatGPT

Chat with your documents using any LLM, private and self-hosted

  • 68,047 GitHub stars
  • MITLicence MIT
  • #AI Agents

Laravel Crm

NEW

Alternative toHubSpot CRM

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

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

daily_stock_analysis

Alternative toSeeking Alpha Premium

AI-driven stock analysis for A, HK, and US markets

  • 67,832 GitHub stars
  • MITLicence MIT
  • #LLM
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