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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowArc
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,984 GitHub stars

OpenClaw

Alternative toMuse

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

  • 393,358 GitHub stars
  • MITLicence MIT
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 108,591 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

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

  • 36,552 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 106,185 GitHub stars
  • MITLicence MIT
  • #AI Agents

SnitchFeed

Sponsored

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

Marketing & Growth

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 61,172 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,855 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

rakazo

Sponsored

Alternative toGrok Bot

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

  • 6,242 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Omnara

Sponsored

Alternative toCClaude Managed Agents

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

  • 3,325 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

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

  • 43,973 GitHub stars
  • MIT LicenseLicence MIT License

Spotifast

Alternative toSpotify Premium

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

  • 9,344 GitHub stars
  • MITLicence MIT
  • #macOS

Hermes Agent

Alternative toGrok Bot

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

  • 258,472 GitHub stars
  • MITLicence MIT
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 407,266 GitHub stars
  • MITLicence MIT

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Trending open source projects this week

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

As of 31 Oct 2026

  1. 0101+38,949 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +38,949 stars this week412,683 GitHub stars
  2. 0202+18,609 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

    +18,609 stars this week46,887 GitHub stars
  3. 0303+10,804 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +10,804 stars this week43,070 GitHub stars
  4. 0404+12,370 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +12,370 stars this week95,872 GitHub stars
  5. 0505+11,901 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +11,901 stars this week54,238 GitHub stars
  6. 0606+9,549 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +9,549 stars this week51,865 GitHub stars
  7. 0707+7,197 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +7,197 stars this week111,198 GitHub stars
  8. 0808+6,161 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +6,161 stars this week181,029 GitHub stars
  9. 0909+6,047 stars this week

    ECC

    Cross-harness skills, agents, and security for AI coding

    InAI & Machine Learning

    InAI & Machine Learning

    +6,047 stars this week293,460 GitHub stars
  10. 1010+5,688 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +5,688 stars this week307,561 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 13 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode223,015 GitHub stars
  2. 2oh-my-pi37,058 GitHub stars
  3. 3kilocode27,794 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift386 GitHub stars
  2. 2OpenProject16,799 GitHub stars
  3. 3Plane61,668 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,959 GitHub stars
  2. 2AFFiNE73,957 GitHub stars
  3. 3Outline41,108 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,465 GitHub stars
  2. 2Rocket.Chat46,351 GitHub stars
  3. 3Zulip26,138 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,547 GitHub stars
  2. 2OpenProject16,799 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy35,089 GitHub stars
  2. 2VoiceInk6,967 GitHub stars
  3. 3FluidVoice12,601 GitHub stars
Read the Wispr Flow guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,408 GitHub stars
  2. 2Floorp8,466 GitHub stars
  3. 3Brave3,734 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat12,399 GitHub stars
  2. 2OpenCut96,188 GitHub stars
  3. 3Shotcut15,536 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo6,242 GitHub stars
  2. 2OpenMausBot7,448 GitHub stars
  3. 3OpenBot7,485 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,855 GitHub stars
  2. 2Macro5,635 GitHub stars
  3. 3Mailspring17,965 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,652 GitHub stars
  2. 2Budibase 28,369 GitHub stars
  3. 3ToolJet41,143 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,358 GitHub stars
  2. 2Hermes Agent258,472 GitHub stars
  3. 3rakazo6,242 GitHub stars
Read the Muse 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

freeCodeCamp

Alternative toCodecademy

Free, open source coding curriculum with verified certifications

  • 458,203 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

superpowers

InDeveloper Tools

Skill-based workflows for coding agents

  • 308,480 GitHub stars
  • MITLicence MIT

Skills for Real Engineers

InDeveloper Tools

Empower AI coding agents with essential engineering skills.

  • 306,334 GitHub stars
  • MITLicence MIT

ECC

InAI & Machine Learning

Cross-harness skills, agents, and security for AI coding

  • 292,636 GitHub stars
  • MITLicence MIT

OpenCode

Alternative toClaude Code

OpenCode is an open-source AI coding agent that assists developers in

  • 223,015 GitHub stars
  • MITLicence MIT

Firecrawl

Alternative toApify

Turn any website into clean markdown or structured JSON for LLMs

  • 196,635 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Scraping

vscode

Alternative toCursor

Open source AI code editor for multi-agent development

  • 194,366 GitHub stars
  • MITLicence MIT

MarkItDown

Alternative toUnstructured.io

Convert PDFs, Office files, and images to Markdown, free

  • 192,884 GitHub stars
  • MITLicence MIT
  • #LLM

Ollama

Alternative toLM Studio

Run large language models locally on Mac, Linux, or Windows

  • 185,272 GitHub stars
  • MITLicence MIT
  • #LLM

Flutter

InWeb & App Development

One codebase for mobile, web, and desktop. Native performance.

  • 180,518 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

Ponytail

InAI & Machine Learning

The lazy senior dev for your AI agent

  • 180,056 GitHub stars
  • MITLicence MIT

transformers

Alternative toGoogle Cloud Vertex AI

Model-definition framework for state-of-the-art ML

  • 168,324 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

agency-agents

InAI & Machine Learning

Expert AI agent personalities for every workflow

  • 165,136 GitHub stars
  • MITLicence MIT
  • #AI Agents

dify

Alternative toRelevance AI

Visual AI workflow builder with RAG, agents, and self-hosting

  • 159,932 GitHub stars
  • CustomLicence Apache-2.0 with additional terms
  • #AI Agents

Alexandrie

NEW

Alternative toNotion

Self-hosted knowledge base with offline sync, Kanban, and OIDC/SSO

  • 3,518 GitHub stars
  • MITLicence MIT

Open WebUI

Alternative toTypingMind

Chat interface for Ollama and any OpenAI API, with RAG support

  • 157,126 GitHub stars
  • #LLM

Langflow

Alternative toRelevance AI

Visual AI workflow builder that deploys as an API or MCP server.

  • 156,078 GitHub stars
  • MITLicence MIT
  • #LLM

SenseVoice

NEW

Alternative toDeepgram

Multilingual speech recognition with emotion and audio event tagging

  • 9,637 GitHub stars
  • MITLicence MIT
  • #LLM

ComfyUI

Alternative toHiggsfield AI

Node-based interface for visual AI content creation

  • 143,977 GitHub stars
  • GPL-3.0Licence GPL-3.0

iptv

InCustomer Support

136k+ public TV channels, free M3U playlists and EPG data

  • 142,753 GitHub stars
  • UnlicenseLicence Unlicense
  • #Video

Ordi

NEW

Alternative toZoho One

Operations system for small agencies: projects, CRM, finance, people.

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

graphify

Alternative toAtlassian Code Context

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

  • 138,635 GitHub stars
  • Apache-2.0Licence Apache-2.0

Gstack

InAI & Machine Learning

Turn Claude Code into a virtual engineering team with 23 skills

  • 138,088 GitHub stars
  • MITLicence MIT

Kwant

NEW

InAI & Machine Learning

Self-hosted AI agent team with handoffs, routines, and approvals

  • 16 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #AI Agents

MoneyPrinterTurbo

Alternative toInVideo AI

AI-powered short video generation from topic to publish

  • 136,300 GitHub stars
  • MITLicence MIT
  • #AI Agents

Excalidraw

Alternative toMiro

Open source whiteboard for hand-drawn style diagrams

  • 134,782 GitHub stars
  • MITLicence MIT

Srs

NEW

Alternative toAnt Media Server

Self-hosted real-time media server with RTMP, WebRTC, HLS, and SRT

  • 29,400 GitHub stars
  • MITLicence MIT
  • #Video

codex

Alternative toClaude Code

OpenAI's terminal coding agent, Apache-2.0 licensed

  • 131,569 GitHub stars
  • Apache-2.0Licence Apache-2.0

RustDesk

Alternative toTeamViewer

Self-hosted remote desktop with end-to-end encryption

  • 127,461 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Patzer

NEW

Alternative toChess.com

Self-hosted chess: Stockfish review, LLM coach, family profiles

  • 56 GitHub stars
  • MITLicence MIT

Rust

InWeb Development

Systems language with memory safety and no garbage collector.

  • 120,823 GitHub stars
  • Apache-2.0Licence Apache-2.0

browser-use

Alternative toSkyvern

Python library giving any LLM full browser control, MIT licensed

  • 119,499 GitHub stars
  • MITLicence MIT
  • #AI Agents

Tidymint

NEW

Alternative toCleanMyMac

Free Mac disk cleaner with cache cleaning, duplicates, and space map

  • 3 GitHub stars
  • MITLicence MIT
  • #macOS

Godot Engine

Alternative toUnity

Free open source game engine for 2D and 3D development

  • 119,264 GitHub stars
  • MITLicence MIT

Pi

Alternative toClaude Code

The minimal, self-extensible coding agent for the terminal

  • 118,808 GitHub stars
  • MITLicence MIT
  • #LLM

App-Store-Connect-CLI

NEW

Alternative toXcode Cloud

Scriptable CLI for App Store Connect: TestFlight, signing, releases.

  • 8,144 GitHub stars
  • MITLicence MIT
  • #CLI

TradingAgents

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Multi-Agent LLM Framework for Financial Trading

  • 118,313 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Immich

Alternative toGoogle Photos

Self-hosted Google Photos with mobile backup and face search

  • 117,647 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

FreshRSS

NEW

Alternative toFeedly

Self-hosted RSS aggregator for news, podcasts, and video channels.

  • 16,460 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Caveman

Alternative toTokenade

Token-slashing caveman-speak for cheaper, faster AI code.

  • 115,942 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM
Browse all 993 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
507

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers436

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw227

Business & Productivity

OpenClaw, Excalidraw, RustDesk202

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers149

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma136

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw134

IT Management

Immich, RustDesk, Stirling PDF118

Cloud & Hosting

dify, RuView, rtk111

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown110

Product & Project Management

agency-agents, freeCodeCamp, Gstack108

Data & Analytics

Firecrawl, ragflow, Worldmonitor107

Design & Creative

ComfyUI, Excalidraw, Godot Engine99

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata83

APIs & Integration

n8n, Firecrawl, iptv73

Backend Development

graphify, dify, Rust67

Databases & Storage

Supabase, Immich, Redis59

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish38

Web & App Development

Flutter, Rust, Nvm35

Finance & Fintech

TradingAgents, MiroFish, OpenBB35

No-Code & Low-Code

Langflow, n8n, dify30

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
  • 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
  • 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
  • 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