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Open Source Alternatives

List of open-source alternatives to everyday SaaS products.

btw-so/open-source-alternatives

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List stars: 8,734
README repos: 146
Indexed repos: 145
List commits: 59
Forks: 365
Open issues: 47

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Latest scan 2026-09-03 10:49

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30 repos matching these filters.

Topic: hacktoberfest

Latest repo push 2026-09-04

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strapi/strapi

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

AI dev

Stack

TypeScript React Vite npm Yarn

GitHub topics

#api #cms #cms-framework #content-management #content-management-system #customizable

Updated: 2026-08-21
Lists: 5 list mentions
First commit: 2015-09-30
License: NOASSERTION
Issues: 538 open

73,001

stars

Forks: 9,851
Commits: 37,762 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

prometheus/prometheus

The Prometheus monitoring system and time series database.

AI dev

Stack

Go Cobra gRPC Go React Vite Go modules npm pnpm

GitHub topics

#alerting #graphing #hacktoberfest #metrics #monitoring #prometheus

Updated: 2026-08-03
Lists: 5 list mentions
First commit: 2012-11-24
License: Apache-2.0
Issues: 899 open

65,527

stars

Forks: 10,738
Commits: 18,207 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

nocodb/nocodb

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

Stack

TypeScript Express NestJS Nuxt React npm pnpm

GitHub topics

#airtable #airtable-alternative #automatic-api #hacktoberfest #low-code #no-code

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2017-10-29
License: NOASSERTION
Issues: 705 open

64,631

stars

Forks: 5,006
Commits: 44,312 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

twentyhq/twenty

The open alternative to Salesforce, designed for AI.

AI dev

Stack

TypeScript Express NestJS Next.js React npm Yarn

GitHub topics

#crm #crm-system #customer #good-first-issue #graphql #hacktoberfest

Updated: 2026-08-11
Lists: 2 list mentions
First commit: 2022-12-01
License: NOASSERTION
Issues: 153 open

54,706

stars

Forks: 8,464
Commits: 14,283 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

RocketChat/Rocket.Chat

The Secure CommsOS™ for mission-critical operations

AI dev

Stack

TypeScript Express React Vite Bun npm Yarn

GitHub topics

#chat #collaboration #foss #free #hacktoberfest #javascript

Updated: 2026-08-21
Lists: 4 list mentions
First commit: 2015-05-19
License: NOASSERTION
Issues: 3,979 open

46,017

stars

Forks: 13,808
Commits: 30,117 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

appsmithorg/appsmith

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

AI dev

Stack

TypeScript Express Quarkus React Spring Boot Maven npm Yarn

GitHub topics

#admin-dashboard #admin-panels #app-builder #automation #crud #custom-internal

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2019-01-21
License: Apache-2.0
Issues: 4,473 open

40,717

stars

Forks: 4,734
Commits: 20,446 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

ToolJet/ToolJet

ToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

AI dev

Stack

JavaScript NestJS React Tailwind CSS npm

GitHub topics

#ai-app-builder #docker #hacktoberfest #internal-applications #internal-project #internal-tool

Updated: 2026-08-21
Lists: 5 list mentions
First commit: 2021-03-31
License: AGPL-3.0
Issues: 1,146 open

40,669

stars

Forks: 5,397
Commits: 17,105 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mattermost/mattermost

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

AI dev

Stack

TypeScript Cobra Express gRPC Go React Go modules npm

GitHub topics

#collaboration #golang #hacktoberfest #mattermost #monorepo #react

Updated: 2026-08-23
Lists: 6 list mentions
First commit: 2015-06-15
License: NOASSERTION
Issues: 967 open

38,889

stars

Forks: 8,929
Commits: 23,131 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

nextcloud/server

☁️ Nextcloud server, a safe home for all your data

AI dev

Stack

PHP Symfony Vite Vue Composer npm

GitHub topics

#cloud #collaboration #decentralized #design #distributed #enterprise

Updated: 2026-08-24
Lists: 5 list mentions
First commit: 2010-03-10
License: AGPL-3.0
Issues: 3,587 open

36,557

stars

Forks: 5,132
Commits: 89,976 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

bagisto/bagisto

Open Source eCommerce Platform Built with Laravel for Enterprise-Scale Commerce Supporting 10M+ SKUs

AI dev

Stack

PHP Laravel Symfony Tailwind CSS Vite Composer npm

GitHub topics

#b2b-ecommerce #blockchain-ecommerce #ecommerce #ecommerce-framework #ecommerce-platform #hacktoberfest

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2018-06-12
License: MIT
Issues: 29 open

27,987

stars

Forks: 3,242
Commits: 22,815 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mattermost-community/focalboard

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Stack

TypeScript gRPC Go React .NET SDK Go modules npm

GitHub topics

#asana #collaboration #goal-tracking #golang #hacktoberfest #kanban-board

Updated: 2026-05-18
Lists: 6 list mentions
First commit: 2020-10-08
License: NOASSERTION
Issues: 784 open

26,419

stars

Forks: 2,577
Commits: 3,646 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

matomo-org/matomo

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

AI dev

Stack

PHP Symfony Vite Vue Composer npm

GitHub topics

#analytics #growth #hacktoberfest #intranet #log #marketing

Updated: 2026-08-22
Lists: 4 list mentions
First commit: 2007-07-24
License: GPL-3.0
Issues: 2,554 open

21,795

stars

Forks: 2,890
Commits: 31,374 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

apitable/apitable

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

Stack

TypeScript Express Fastify NestJS Next.js Gradle npm pnpm

GitHub topics

#admin-dashboard #airtable #airtable-alternative #api #automatic-api #embed

Updated: 2025-10-30
Lists: 1 list mention
First commit: 2022-08-17
License: AGPL-3.0
Issues: 305 open

15,573

stars

Forks: 1,423
Commits: 921 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

supertokens/supertokens-core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Stack

Java Gradle npm

GitHub topics

#auth0 #authentication #aws-cognito #email-password #email-password-login #firebase-auth

Updated: 2026-08-02
Lists: 2 list mentions
First commit: 2020-01-05
License: NOASSERTION
Issues: 155 open

15,240

stars

Forks: 794
Commits: 1,735 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

streetwriters/notesnook

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Stack

TypeScript Android Electron React React Native Bundler CocoaPods Gradle

GitHub topics

#asp-net-core #dotnet-core #electron #foss #hacktoberfest #note-managment

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2019-11-14
License: GPL-3.0
Issues: 978 open

14,448

stars

Forks: 983
Commits: 15,533 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Unleash/unleash

Open-source feature management platform

AI dev

Stack

TypeScript Express React Vite npm pnpm

GitHub topics

#activation-strategies #collaboration #continuous-delivery #continuous-deployment #devops #devtool

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2014-09-29
License: AGPL-3.0
Issues: 57 open

13,747

stars

Forks: 882
Commits: 16,208 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

element-hq/element-web

A glossy Matrix collaboration client for the web.

Stack

TypeScript Electron Express React Vite npm pnpm

GitHub topics

#hacktoberfest #matrix

Updated: 2026-08-21
Lists: 4 list mentions
First commit: 2015-06-09
License: AGPL-3.0
Issues: 3,833 open

13,397

stars

Forks: 2,736
Commits: 70,357 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

illacloud/illa-builder

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

Stack

TypeScript React Vite npm pnpm

GitHub topics

#aiagent #app-builder #crud-application #developer-tool #developer-tools #gui

Updated: 2026-05-27
Lists: 4 list mentions
First commit: 2022-04-18
License: Apache-2.0
Issues: 43 open

12,311

stars

Forks: 1,205
Commits: 10,580 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

GitHub

Leantime/leantime

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

AI dev

Stack

PHP Laravel Symfony Tailwind CSS Composer npm

GitHub topics

#agile #asana #calendar #clickup #gantt #hacktoberfest

Updated: 2026-08-05
Lists: 3 list mentions
First commit: 2015-02-27
License: AGPL-3.0
Issues: 321 open

11,278

stars

Forks: 1,099
Commits: 8,174 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

invoiceninja/invoiceninja

A source-available invoice, quote, project and time-tracking app built with Laravel

Stack

PHP Laravel Symfony Tailwind CSS Vite Composer npm

GitHub topics

#einvoicing #expenses #flutter #hacktoberfest #invoice #invoiceninja

Updated: 2026-08-25
Lists: 1 list mention
First commit: 2018-10-04
License: NOASSERTION
Issues: 925 open

10,027

stars

Forks: 2,686
Commits: 26,727 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

PrestaShop/PrestaShop

PrestaShop is the universal open-source software platform to build your e-commerce solution.

AI dev

Stack

PHP Express Symfony Vue Composer npm

GitHub topics

#cms #ecommerce #ecommerce-framework #ecommerce-platform #hacktoberfest #php

Updated: 2026-09-01
Lists: 2 list mentions
First commit: 2011-04-12
License: NOASSERTION
Issues: 2,069 open

9,199

stars

Forks: 5,051
Commits: 96,597 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

ghostfolio/ghostfolio

Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

AI dev

Stack

TypeScript Angular NestJS React npm

GitHub topics

#angular #etf #finance #fintech #ghostfolio #hacktoberfest

Updated: 2026-08-16
Lists: 3 list mentions
First commit: 2021-04-13
License: AGPL-3.0
Issues: 289 open

9,142

stars

Forks: 1,272
Commits: 5,434 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Sylius/Sylius

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

AI dev

Stack

PHP Symfony Composer npm

GitHub topics

#api #api-ecommerce #ecommerce #ecommerce-platform #framework #hacktoberfest

Updated: 2026-08-23
Lists: 3 list mentions
First commit: 2011-09-09
License: MIT
Issues: 215 open

8,513

stars

Forks: 2,160
Commits: 41,339 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Graylog2/graylog2-server

Free and open log management

AI dev

Stack

Java Express React Maven npm Yarn

GitHub topics

#amqp #gelf #graylog #hacktoberfest #kafka #log-analysis

Updated: 2026-08-21
Lists: 3 list mentions
First commit: 2010-05-17
License: NOASSERTION
Issues: 2,053 open

8,113

stars

Forks: 1,126
Commits: 29,602 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Flagsmith/flagsmith

Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.

AI dev

Stack

Python Django Django REST Framework Express pytest npm uv

GitHub topics

#cd #ci #continuous-integration #docker #feature-flag #feature-flaggers

Updated: 2026-08-11
Lists: 5 list mentions
First commit: 2018-06-05
License: BSD-3-Clause
Issues: 690 open

6,508

stars

Forks: 556
Commits: 6,465 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

kubero-dev/kubero

A free and self-hosted PaaS alternative to Heroku / Netlify / Coolify / Vercel / Dokku / Portainer running on Kubernetes

Stack

TypeScript Express NestJS Vite Vue npm Yarn

GitHub topics

#ci-cd #cloud #coolify #developer-tools #dokku #gitops

Updated: 2026-09-02
Lists: 2 list mentions
First commit: 2022-05-17
License: GPL-3.0
Issues: 118 open

4,398

stars

Forks: 213
Commits: 2,206 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

firecamp-dev/firecamp

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

Stack

TypeScript Electron NestJS React Tailwind CSS Cargo npm pnpm

GitHub topics

#api #api-client #graphql #graphql-playground #hacktoberfest #hacktoberfest2023

Updated: 2026-03-04
Lists: 2 list mentions
First commit: 2022-09-20
License: AGPL-3.0
Issues: 105 open

2,607

stars

Forks: 168
Commits: 2,146 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Elgg/Elgg

A social networking engine in PHP/MySQL

Stack

PHP Symfony Composer npm pip

GitHub topics

#elgg #framework #hacktoberfest #php #social-networking-engine

Updated: 2026-07-30
Lists: 3 list mentions
First commit: 2008-02-11
License: NOASSERTION
Issues: 41 open

1,680

stars

Forks: 667
Commits: 21,515 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

revertinc/revert

Revert makes it incredibly easy to build integrations with any third party API

Stack

TypeScript Express Next.js React Tailwind CSS npm Yarn

GitHub topics

#access-token #api #crms #good-first-issue #hacktoberfest #hubspot

Updated: 2025-04-07
Lists: 1 list mention
First commit: 2022-01-25
License: AGPL-3.0
Issues: 63 open

1,012

stars

Forks: 90
Commits: 679 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

SolidInvoice/SolidInvoice

Simple and elegant invoicing solution.

AI dev

Stack

PHP Cobra gRPC Go React Symfony Bun Composer Go modules

GitHub topics

#billing #billing-application #freelancer #hacktoberfest #invoice #invoicing

Updated: 2026-09-01
Lists: 2 list mentions
First commit: 2012-02-14
License: MIT
Issues: 188 open

964

stars

Forks: 232
Commits: 5,314 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

Activity

Default branch: main
Last pushed: 2024-11-08
GitHub updated: 2026-09-03
Created: 2023-05-22
First commit: -
Last scanned: 2026-09-03 10:49
Watchers: 68

Indexed repo mix

Repo stars: 3,415,625
Repo forks: 420,115
Active: 143
Archived: 2

Languages

TypeScript (61) PHP (19) JavaScript (13) Go (10) Python (8) Java (7) Ruby (6) C++ (4) Rust (4) Clojure (3) Dart (1) Elixir (1)

Open Source Alternatives

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