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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 FlowArc
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 209,269 GitHub stars

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,889 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

It's a Plan

Sponsored

Alternative toLinear

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

  • 2,121 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

CleanYourTV

Alternative toATV Launcher Pro

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

  • 48,047 GitHub stars
  • MIT LicenseLicence MIT License

Hermes Agent

Alternative toGrok Bot

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

  • 259,499 GitHub stars
  • MITLicence MIT
  • #AI Agents

Spotifast

Alternative toSpotify Premium

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

  • 9,440 GitHub stars
  • MITLicence MIT
  • #macOS

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 62,094 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 393 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

SnitchFeed

Sponsored

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

Marketing & Growth

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 109,899 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

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

  • 36,652 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 418,752 GitHub stars
  • MITLicence MIT

OpenClaw

Alternative toMuse

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

  • 393,635 GitHub stars
  • MITLicence MIT
  • #AI Agents

rakazo

Sponsored

Alternative toGrok Bot

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

  • 6,568 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 107,577 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 3 Nov 2026

  1. 0101+31,028 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +31,028 stars this week423,454 GitHub stars
  2. 0202+5,732 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +5,732 stars this week10,238 GitHub stars
  3. 0303+11,704 stars this week

    t3code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +11,704 stars this week42,237 GitHub stars
  4. 0404+10,938 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

    +10,938 stars this week50,536 GitHub stars
  5. 0505+10,279 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +10,279 stars this week54,376 GitHub stars
  6. 0606+9,664 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +9,664 stars this week99,198 GitHub stars
  7. 0707+9,421 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +9,421 stars this week46,131 GitHub stars
  8. 0808+8,777 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +8,777 stars this week57,507 GitHub stars
  9. 0909+7,898 stars this week

    iFixAi

    Self-hosted AI agent auditing across 60 trust and safety inspections.

    Alternative toZenity

    Alternative toZenity

    +7,898 stars this week43,017 GitHub stars
  10. 1010+7,403 stars this week

    claude-mem

    Stop re-explaining your codebase to every new agent session

    Alternative toContextPool

    Alternative toContextPool

    +7,403 stars this week110,876 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. 1OpenCode223,829 GitHub stars
  2. 2oh-my-pi37,418 GitHub stars
  3. 3kilocode27,828 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift393 GitHub stars
  2. 2OpenProject16,901 GitHub stars
  3. 3Plane61,813 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,085 GitHub stars
  2. 2AFFiNE74,046 GitHub stars
  3. 3Outline41,130 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,499 GitHub stars
  2. 2Rocket.Chat46,357 GitHub stars
  3. 3Zulip26,154 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,549 GitHub stars
  2. 2OpenProject16,901 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy36,645 GitHub stars
  2. 2VoiceInk6,992 GitHub stars
  3. 3FluidVoice12,660 GitHub stars
Read the Wispr Flow guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,496 GitHub stars
  2. 2Floorp8,473 GitHub stars
  3. 3Brave3,744 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat13,168 GitHub stars
  2. 2OpenCut97,106 GitHub stars
  3. 3Shotcut15,566 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo6,568 GitHub stars
  2. 2OpenMausBot10,710 GitHub stars
  3. 3OpenBot9,031 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,889 GitHub stars
  2. 2Macro6,056 GitHub stars
  3. 3Mailspring17,987 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,652 GitHub stars
  2. 2Budibase 28,372 GitHub stars
  3. 3ToolJet41,178 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,635 GitHub stars
  2. 2Hermes Agent259,499 GitHub stars
  3. 3rakazo6,568 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

  • 458,402 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

superpowers

InDeveloper Tools

Skill-based workflows for coding agents

  • 310,685 GitHub stars
  • MITLicence MIT

Skills for Real Engineers

InDeveloper Tools

Empower AI coding agents with essential engineering skills.

  • 309,066 GitHub stars
  • MITLicence MIT

ECC

InAI & Machine Learning

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

  • 294,832 GitHub stars
  • MITLicence MIT

OpenCode

Alternative toClaude Code

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

  • 223,829 GitHub stars
  • MITLicence MIT

Firecrawl

Alternative toApify

Turn any website into clean markdown or structured JSON for LLMs

  • 197,597 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Scraping

vscode

Alternative toCursor

Open source AI code editor for multi-agent development

  • 194,479 GitHub stars
  • MITLicence MIT

MarkItDown

Alternative toUnstructured.io

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

  • 193,418 GitHub stars
  • MITLicence MIT
  • #LLM

Ollama

Alternative toLM Studio

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

  • 185,649 GitHub stars
  • MITLicence MIT
  • #LLM

Ponytail

InAI & Machine Learning

The lazy senior dev for your AI agent

  • 182,118 GitHub stars
  • MITLicence MIT

Flutter

InWeb & App Development

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

  • 180,862 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

transformers

Alternative toGoogle Cloud Vertex AI

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

  • 168,420 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

agency-agents

InAI & Machine Learning

Expert AI agent personalities for every workflow

  • 165,890 GitHub stars
  • MITLicence MIT
  • #AI Agents

dify

Alternative toRelevance AI

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

  • 160,190 GitHub stars
  • CustomLicence Apache-2.0 with additional terms
  • #AI Agents

Stayput

NEW

InBusiness & Productivity

136 file tools for images, PDFs and video, no uploads or accounts.

  • MITLicence MIT

Open WebUI

Alternative toTypingMind

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

  • 157,450 GitHub stars
  • #LLM

Langflow

Alternative toRelevance AI

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

  • 156,285 GitHub stars
  • MITLicence MIT
  • #LLM

Paperboy

NEW

InMarketing & Growth

Fact-checked SEO articles from Search Console data, held if they fail

  • AGPL-3.0Licence AGPL-3.0
  • #LLM

ComfyUI

Alternative toHiggsfield AI

Node-based interface for visual AI content creation

  • 144,487 GitHub stars
  • GPL-3.0Licence GPL-3.0

iptv

InCustomer Support

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

  • 143,046 GitHub stars
  • UnlicenseLicence Unlicense
  • #Video

Nanochat

NEW

InAI & Machine Learning

Minimal LLM training toolkit for GPT-scale models under $100.

  • 59,895 GitHub stars
  • MITLicence MIT
  • #LLM

graphify

Alternative toAtlassian Code Context

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

  • 140,628 GitHub stars
  • Apache-2.0Licence Apache-2.0

Gstack

InAI & Machine Learning

Turn Claude Code into a virtual engineering team with 23 skills

  • 138,501 GitHub stars
  • MITLicence MIT

Deepagents

NEW

Alternative toLangGraph Platform

Batteries-included agent library for complex, multi-step AI work.

  • 30,917 GitHub stars
  • MITLicence MIT
  • #AI Agents

MoneyPrinterTurbo

Alternative toInVideo AI

AI-powered short video generation from topic to publish

  • 137,210 GitHub stars
  • MITLicence MIT
  • #AI Agents

Excalidraw

Alternative toMiro

Open source whiteboard for hand-drawn style diagrams

  • 134,967 GitHub stars
  • MITLicence MIT

AlysisCode

NEW

Alternative toCursor

Open-source AI coding agent for terminal, desktop, and any model.

  • 198 GitHub stars
  • Apache-2.0Licence Apache-2.0

codex

Alternative toClaude Code

OpenAI's terminal coding agent, Apache-2.0 licensed

  • 132,775 GitHub stars
  • Apache-2.0Licence Apache-2.0

RustDesk

Alternative toTeamViewer

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

  • 127,779 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Switch

NEW

Alternative toWitch

macOS window picker with type-to-filter, thumbnails, and cross-Space

  • 616 GitHub stars
  • FSL-1.1-MITLicence FSL-1.1-MIT
  • #macOS

Rust

InWeb Development

Systems language with memory safety and no garbage collector.

  • 120,972 GitHub stars
  • Apache-2.0Licence Apache-2.0

browser-use

Alternative toSkyvern

Python library giving any LLM full browser control, MIT licensed

  • 119,787 GitHub stars
  • MITLicence MIT
  • #AI Agents

Warmbly

NEW

Alternative toInstantly

Open source cold email with warmup, campaigns, and a unified inbox

  • 851 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Email

TradingAgents

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Multi-Agent LLM Framework for Financial Trading

  • 119,623 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Godot Engine

Alternative toUnity

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

  • 119,420 GitHub stars
  • MITLicence MIT

Shannon

NEW

Alternative toXBOW

Autonomous AI pentester for web apps and APIs, AGPL-licensed

  • 50,850 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Pi

Alternative toClaude Code

The minimal, self-extensible coding agent for the terminal

  • 119,400 GitHub stars
  • MITLicence MIT
  • #LLM

Immich

Alternative toGoogle Photos

Self-hosted Google Photos with mobile backup and face search

  • 117,952 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Aleph

NEW

InData & Analytics

Python CLI for satellite imagery, terrain, buildings and Street View.

  • 699 GitHub stars
  • MITLicence MIT
  • #LLM

Caveman

Alternative toTokenade

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

  • 116,620 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM
Browse all 1,025 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
526

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers454

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw236

Business & Productivity

OpenClaw, Excalidraw, RustDesk203

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers152

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma138

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw136

IT Management

Immich, RustDesk, Stirling PDF120

Cloud & Hosting

dify, RuView, rtk118

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown112

Data & Analytics

Firecrawl, ragflow, Worldmonitor111

Product & Project Management

agency-agents, freeCodeCamp, Gstack110

Design & Creative

ComfyUI, Excalidraw, Godot Engine103

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata83

APIs & Integration

n8n, Firecrawl, iptv75

Backend Development

graphify, dify, Rust68

Databases & Storage

Supabase, Immich, Redis63

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish39

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