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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductorArc
CapCutGrok BotSuperhumanDiscordAirtableDatadogMuseRailway

Featured

Hermes Agent

Alternative toGrok Bot

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

  • 263,254 GitHub stars
  • MITLicence MIT
  • #AI Agents

It's a Plan

Alternative toLinear

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

  • 2,299 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Spotifast

Alternative toSpotify Premium

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

  • 10,268 GitHub stars
  • MITLicence MIT
  • #macOS

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 13,025 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 113,735 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

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

  • 37,256 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

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

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 210,388 GitHub stars

Jade Hosting

Sponsored

Zero-configuration full stack deploy in any language

Cloud & Hosting

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 64,750 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 435 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

OpenClaw

Alternative toMuse

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

  • 394,399 GitHub stars
  • MITLicence MIT
  • #AI Agents

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 111,579 GitHub stars
  • MITLicence MIT
  • #AI Agents

SnitchFeed

Sponsored

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

Marketing & Growth

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 458,164 GitHub stars
  • MITLicence MIT

rakazo

Sponsored

Alternative toGrok Bot

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

  • 8,291 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.

  • 57,122 GitHub stars
  • MIT LicenseLicence MIT License

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Trending open source projects this week

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

As of 14 Nov 2026

  1. 0101+43,554 stars this week

    Sentry

    Error tracking and performance monitoring for self-hosted teams.

    Alternative toRollbar

    Alternative toRollbar

    +43,554 stars this week45,773 GitHub stars
  2. 0202+16,558 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +16,558 stars this week458,164 GitHub stars
  3. 0303+12,829 stars this week

    Astryx

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

    Alternative toMUI X

    Alternative toMUI X

    +12,829 stars this week27,480 GitHub stars
  4. 0404+10,476 stars this week

    Sherlock

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

    Alternative toOSINT Industries

    Alternative toOSINT Industries

    +10,476 stars this week111,226 GitHub stars
  5. 0505+3,089 stars this week

    Modern Web Guidance Src

    Modern web platform skills for AI coding agents

    InDeveloper Tools

    InDeveloper Tools

    +3,089 stars this week4,971 GitHub stars
  6. 0606+7,157 stars this week

    Misterdownloadmanager

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

    Alternative toInternet Download Manager

    Alternative toInternet Download Manager

    +7,157 stars this week9,010 GitHub stars
  7. 0707+8,303 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +8,303 stars this week59,900 GitHub stars
  8. 0808+6,107 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +6,107 stars this week72,396 GitHub stars
  9. 0909+6,075 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +6,075 stars this week323,891 GitHub stars
  10. 1010+6,062 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +6,062 stars this week110,135 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 16 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode226,693 GitHub stars
  2. 2oh-my-pi38,960 GitHub stars
  3. 3kilocode27,981 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift435 GitHub stars
  2. 2OpenProject17,347 GitHub stars
  3. 3Plane62,419 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,899 GitHub stars
  2. 2AFFiNE74,510 GitHub stars
  3. 3Outline41,264 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,606 GitHub stars
  2. 2Rocket.Chat46,505 GitHub stars
  3. 3Zulip26,223 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,564 GitHub stars
  2. 2OpenProject17,347 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy38,711 GitHub stars
  2. 2VoiceInk7,118 GitHub stars
  3. 3FluidVoice13,030 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

13 ranked · reviewed 9 Nov
  1. 1Orca124,416 GitHub stars
  2. 2T3 Code59,900 GitHub stars
  3. 3Nuphos529 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,775 GitHub stars
  2. 2Floorp8,492 GitHub stars
  3. 3Brave3,791 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat17,129 GitHub stars
  2. 2OpenCut97,869 GitHub stars
  3. 3Shotcut15,677 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo8,291 GitHub stars
  2. 2OpenMausBot22,421 GitHub stars
  3. 3OpenBot11,400 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero13,025 GitHub stars
  2. 2Macro6,308 GitHub stars
  3. 3Mailspring18,009 GitHub stars
Read the Superhuman guide →

Discord open source alternatives

11 ranked · reviewed 13 Nov
  1. 1Stoat3,464 GitHub stars
  2. 2Fluxer10,850 GitHub stars
  3. 3Element13,659 GitHub stars
Read the Discord 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

  • 459,126 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

Skills for Real Engineers

InDeveloper Tools

Empower AI coding agents with essential engineering skills.

  • 323,742 GitHub stars
  • MITLicence MIT

superpowers

InDeveloper Tools

Skill-based workflows for coding agents

  • 317,374 GitHub stars
  • MITLicence MIT

ECC

InAI & Machine Learning

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

  • 302,571 GitHub stars
  • MITLicence MIT

OpenCode

Alternative toClaude Code

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

  • 226,693 GitHub stars
  • MITLicence MIT

Firecrawl

Alternative toApify

Turn any website into clean markdown or structured JSON for LLMs

  • 201,542 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Scraping

vscode

Alternative toCursor

Open source AI code editor for multi-agent development

  • 195,368 GitHub stars
  • MITLicence MIT

MarkItDown

Alternative toUnstructured.io

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

  • 195,285 GitHub stars
  • MITLicence MIT
  • #LLM

Ponytail

InAI & Machine Learning

The lazy senior dev for your AI agent

  • 190,450 GitHub stars
  • MITLicence MIT

Ollama

Alternative toLM Studio

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

  • 186,953 GitHub stars
  • MITLicence MIT
  • #LLM

Flutter

InWeb & App Development

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

  • 181,250 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

transformers

Alternative toGoogle Cloud Vertex AI

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

  • 168,954 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

agency-agents

InAI & Machine Learning

Expert AI agent personalities for every workflow

  • 168,178 GitHub stars
  • MITLicence MIT
  • #AI Agents

dify

Alternative toRelevance AI

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

  • 161,144 GitHub stars
  • CustomLicence Apache-2.0 with additional terms
  • #AI Agents

Fortify

NEW

Alternative toAppCrypt

Per-app Touch ID or PIN lock for macOS, local-first and open source

  • 4 GitHub stars
  • MITLicence MIT
  • #macOS

Open WebUI

Alternative toTypingMind

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

  • 158,554 GitHub stars
  • #LLM

Langflow

Alternative toRelevance AI

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

  • 156,573 GitHub stars
  • MITLicence MIT
  • #LLM

PyMemoryEditor

NEW

InDeveloper Tools

Cross-platform process memory reader, writer and scanner in Python.

  • 227 GitHub stars
  • MITLicence MIT

graphify

Alternative toAtlassian Code Context

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

  • 147,439 GitHub stars
  • Apache-2.0Licence Apache-2.0

ComfyUI

Alternative toHiggsfield AI

Node-based interface for visual AI content creation

  • 146,721 GitHub stars
  • GPL-3.0Licence GPL-3.0

Bbot

NEW

Alternative toCensys ASM

Recursive recon scanner for bug bounties, ASM, and OSINT workflows.

  • 11,119 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

iptv

InCustomer Support

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

  • 143,980 GitHub stars
  • UnlicenseLicence Unlicense
  • #Video

MoneyPrinterTurbo

Alternative toInVideo AI

AI-powered short video generation from topic to publish

  • 143,404 GitHub stars
  • MITLicence MIT
  • #AI Agents

Osv Scanner

NEW

Alternative toSnyk

Open source dependency vulnerability scanner backed by OSV.dev

  • 11,510 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Security

Gstack

InAI & Machine Learning

Turn Claude Code into a virtual engineering team with 23 skills

  • 141,414 GitHub stars
  • MITLicence MIT

Excalidraw

Alternative toMiro

Open source whiteboard for hand-drawn style diagrams

  • 135,635 GitHub stars
  • MITLicence MIT

Talos

NEW

Alternative toRed Hat OpenShift Platform Plus

Immutable Linux OS for Kubernetes, API-only with no SSH access.

  • 11,521 GitHub stars
  • MPL-2.0Licence MPL-2.0
  • #Kubernetes

codex

Alternative toClaude Code

OpenAI's terminal coding agent, Apache-2.0 licensed

  • 135,238 GitHub stars
  • Apache-2.0Licence Apache-2.0

Llama.cpp

Alternative toOpenAI API

C/C++ LLM inference engine with OpenAI-compatible API, no cloud.

  • 134,560 GitHub stars
  • MITLicence MIT
  • #LLM

Rerun

NEW

Alternative toFoxglove

Log, visualize, and query multimodal physical AI data.

  • 11,791 GitHub stars
  • Apache-2.0Licence Apache-2.0

RustDesk

Alternative toTeamViewer

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

  • 129,332 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Orca

Alternative toConductor

The ultimate IDE for coding agents

  • 124,416 GitHub stars
  • MITLicence MIT

Rea Video

NEW

Alternative toTwelve Labs

Video reverse-engineering CLI that runs inside AI coding assistants.

  • 7,991 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

TradingAgents

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Multi-Agent LLM Framework for Financial Trading

  • 122,509 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Pi

Alternative toClaude Code

The minimal, self-extensible coding agent for the terminal

  • 121,944 GitHub stars
  • MITLicence MIT
  • #LLM

Bazzite

NEW

Alternative toWindows 11

Gaming Linux OS with atomic updates and Steam pre-installed.

  • 9,345 GitHub stars
  • Apache-2.0Licence Apache-2.0

Rust

InWeb Development

Systems language with memory safety and no garbage collector.

  • 121,906 GitHub stars
  • Apache-2.0Licence Apache-2.0

browser-use

Alternative toSkyvern

Python library giving any LLM full browser control, MIT licensed

  • 120,983 GitHub stars
  • MITLicence MIT
  • #AI Agents

Gentle Ai

NEW

Alternative toMem0

Memory, workflow and review for the AI agents you already use.

  • 9,133 GitHub stars
  • MITLicence MIT

Godot Engine

Alternative toUnity

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

  • 120,125 GitHub stars
  • MITLicence MIT
Browse all 1,245 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
641

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers533

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw299

Business & Productivity

OpenClaw, Excalidraw, RustDesk217

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers196

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Sherlock167

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw159

IT Management

Immich, RustDesk, Stirling PDF135

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown133

Design & Creative

ComfyUI, Excalidraw, Godot Engine133

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata132

Cloud & Hosting

dify, RuView, OmniRoute126

Product & Project Management

agency-agents, freeCodeCamp, Gstack120

Data & Analytics

Firecrawl, ragflow, Worldmonitor92

APIs & Integration

n8n, Firecrawl, iptv87

Backend Development

graphify, dify, Rust77

Databases & Storage

Supabase, Immich, Redis75

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish49

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
  • Discord to Stoat
  • Airtable to AITable
  • Datadog to SigNoz
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • 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
  • 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
  • Discord to Stoat
  • Airtable to AITable
  • Datadog to SigNoz
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • 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