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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

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

Hermes Agent

Alternative toGrok Bot

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

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

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 372,155 GitHub stars
  • MITLicence MIT

CleanYourTV

Alternative toATV Launcher Pro

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

  • 24,233 GitHub stars
  • MIT LicenseLicence MIT License

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

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

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

Spotifast

Alternative toSpotify Premium

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

  • 8,903 GitHub stars
  • MITLicence MIT
  • #macOS

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

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

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

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

OpenClaw

Alternative toMuse

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

  • 392,852 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

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Your product on a Featured card across the site.

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Trending open source projects this week

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

As of 25 Oct 2026

  1. 0101+65,135 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +65,135 stars this week379,274 GitHub stars
  2. 0202+13,961 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +13,961 stars this week44,837 GitHub stars
  3. 0303+11,041 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +11,041 stars this week85,136 GitHub stars
  4. 0404+9,158 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +9,158 stars this week105,041 GitHub stars
  5. 0505+9,043 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +9,043 stars this week175,586 GitHub stars
  6. 0606+7,039 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +7,039 stars this week302,589 GitHub stars
  7. 0707+6,525 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

    +6,525 stars this week134,522 GitHub stars
  8. 0808+5,297 stars this week

    hyperframes

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

    Alternative toRemotion

    Alternative toRemotion

    +5,297 stars this week71,548 GitHub stars
  9. 0909+5,261 stars this week

    ECC

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

    InAI & Machine Learning

    InAI & Machine Learning

    +5,261 stars this week288,164 GitHub stars
  10. 1010+5,253 stars this week

    OpenCode

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

    Alternative toClaude Code

    Alternative toClaude Code

    +5,253 stars this week221,125 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. 1Concat10,813 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. 3OpenBot6,875 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. 2Dokploy37,935 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

freeCodeCamp

Alternative toCodecademy

Free, open source coding curriculum with verified certifications

  • 457,795 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

superpowers

InDeveloper Tools

Skill-based workflows for coding agents

  • 304,198 GitHub stars
  • MITLicence MIT

Skills for Real Engineers

InDeveloper Tools

Empower AI coding agents with essential engineering skills.

  • 301,479 GitHub stars
  • MITLicence MIT

ECC

InAI & Machine Learning

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

  • 287,198 GitHub stars
  • MITLicence MIT

OpenCode

Alternative toClaude Code

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

  • 220,523 GitHub stars
  • MITLicence MIT

Firecrawl

Alternative toApify

Turn any website into clean markdown or structured JSON for LLMs

  • 194,489 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Scraping

vscode

Alternative toCursor

Open source AI code editor for multi-agent development

  • 194,258 GitHub stars
  • MITLicence MIT

MarkItDown

Alternative toUnstructured.io

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

  • 191,803 GitHub stars
  • MITLicence MIT
  • #LLM

Ollama

Alternative toLM Studio

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

  • 184,498 GitHub stars
  • MITLicence MIT
  • #LLM

Flutter

InWeb & App Development

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

  • 180,336 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

Ponytail

InAI & Machine Learning

The lazy senior dev for your AI agent

  • 174,664 GitHub stars
  • MITLicence MIT

transformers

Alternative toGoogle Cloud Vertex AI

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

  • 168,036 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

agency-agents

InAI & Machine Learning

Expert AI agent personalities for every workflow

  • 163,471 GitHub stars
  • MITLicence MIT
  • #AI Agents

dify

Alternative toRelevance AI

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

  • 159,374 GitHub stars
  • CustomLicence Apache-2.0 with additional terms
  • #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

Open WebUI

Alternative toTypingMind

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

  • 156,535 GitHub stars
  • #LLM

Langflow

Alternative toRelevance AI

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

  • 155,993 GitHub stars
  • MITLicence MIT
  • #LLM

Maccy

NEW

Alternative toPaste

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

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

ComfyUI

Alternative toHiggsfield AI

Node-based interface for visual AI content creation

  • 142,297 GitHub stars
  • GPL-3.0Licence GPL-3.0

iptv

InCustomer Support

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

  • 142,119 GitHub stars
  • UnlicenseLicence Unlicense
  • #Video

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

Gstack

InAI & Machine Learning

Turn Claude Code into a virtual engineering team with 23 skills

  • 137,324 GitHub stars
  • MITLicence MIT

MoneyPrinterTurbo

Alternative toInVideo AI

AI-powered short video generation from topic to publish

  • 134,550 GitHub stars
  • MITLicence MIT
  • #AI Agents

Subtitleedit

NEW

Alternative toEZTitles

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

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

Excalidraw

Alternative toMiro

Open source whiteboard for hand-drawn style diagrams

  • 134,422 GitHub stars
  • MITLicence MIT

graphify

Alternative toAtlassian Code Context

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

  • 133,844 GitHub stars
  • Apache-2.0Licence Apache-2.0

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

codex

Alternative toClaude Code

OpenAI's terminal coding agent, Apache-2.0 licensed

  • 130,635 GitHub stars
  • Apache-2.0Licence Apache-2.0

RustDesk

Alternative toTeamViewer

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

  • 126,694 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Unity Mcp

NEW

Alternative toUnity

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

  • 15,381 GitHub stars
  • MITLicence MIT

Rust

InWeb Development

Systems language with memory safety and no garbage collector.

  • 120,718 GitHub stars
  • Apache-2.0Licence Apache-2.0

browser-use

Alternative toSkyvern

Python library giving any LLM full browser control, MIT licensed

  • 118,982 GitHub stars
  • MITLicence MIT
  • #AI Agents

UniGetUI

NEW

Alternative toChocolatey for Business

One GUI for WinGet, Chocolatey, Scoop, pip, npm, and more on Windows.

  • 26,744 GitHub stars
  • MITLicence MIT

Godot Engine

Alternative toUnity

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

  • 118,973 GitHub stars
  • MITLicence MIT

Pi

Alternative toClaude Code

The minimal, self-extensible coding agent for the terminal

  • 117,435 GitHub stars
  • MITLicence MIT
  • #LLM

Hallmark

NEW

InDesign & Creative

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

  • 32,161 GitHub stars
  • MITLicence MIT

Immich

Alternative toGoogle Photos

Self-hosted Google Photos with mobile backup and face search

  • 117,036 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Caveman

Alternative toTokenade

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

  • 114,504 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Ziwei Doushu

NEW

InWeb & App Development

Open source Zi Wei Dou Shu engine and 675K-chart dataset

  • 6,866 GitHub stars
  • MITLicence MIT

Supabase

Alternative toFirebase

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

  • 113,722 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS
Browse all 921 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 Engineers414

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)199

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers198

Business & Productivity

OpenClaw, Excalidraw, RustDesk134

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw128

IT Management

Immich, RustDesk, Stirling PDF110

Cloud & Hosting

dify, RuView, rtk107

Data & Analytics

Firecrawl, ragflow, Worldmonitor106

Design & Creative

ComfyUI, Excalidraw, Godot Engine106

Product & Project Management

agency-agents, freeCodeCamp, Gstack103

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown91

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata80

APIs & Integration

n8n, Firecrawl, iptv70

Backend Development

graphify, dify, Rust62

Databases & Storage

Supabase, Immich, Redis57

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish35

No-Code & Low-Code

Langflow, n8n, dify35

Web & App Development

Flutter, Rust, Nvm30

Finance & Fintech

TradingAgents, MiroFish, OpenBB29

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