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Open Source Alternatives

List of open-source alternatives to everyday SaaS products.

btw-so/open-source-alternatives

Open GitHub

List stars: 8,830
README repos: 146
Indexed repos: 145
List commits: 59
Forks: 376
Open issues: 49

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28 repos matching these filters.

Package manager: yarn

Latest repo push 2026-10-17

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toeverything/AFFiNE

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

AI dev

Stack

TypeScript Electron Express NestJS React Cargo npm Yarn

GitHub topics

#app #crdt #editor #electron #knowledge-base #markdown

Updated: 2026-10-12
Lists: 7 list mentions
First commit: 2022-07-22
License: NOASSERTION
Issues: 774 open

73,579

stars

Forks: 5,361
Commits: 11,533 commits
Star growth, last 7 days: +206 +0.3%
Commit velocity, last 7 days: +2 0.0%

Website GitHub

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 Tailwind CSS Vite npm Yarn

GitHub topics

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

Updated: 2026-10-12
Lists: 6 list mentions
First commit: 2015-09-30
License: NOASSERTION
Issues: 611 open

73,297

stars

Forks: 9,881
Commits: 38,014 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

twentyhq/twenty

The open alternative to Salesforce, designed for AI.

AI dev

Stack

TypeScript Electron Express NestJS Next.js npm Yarn

GitHub topics

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

Updated: 2026-10-16
Lists: 2 list mentions
First commit: 2022-12-01
License: NOASSERTION
Issues: 99 open

58,430

stars

Forks: 9,557
Commits: 17,006 commits
Star growth, last 7 days: +241 +0.4%
Commit velocity, last 7 days: +322 +1.9%

Website GitHub

laurent22/joplin

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

AI dev

Stack

TypeScript Android Electron Expo Express Bundler Cargo CMake

GitHub topics

#android #dropbox #electron #enex-files #evernote #javascript

Updated: 2026-09-11
Lists: 8 list mentions
First commit: 2016-10-19
License: NOASSERTION
Issues: 642 open

56,337

stars

Forks: 6,278
Commits: 15,784 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

mastodon/mastodon

Your self-hosted, globally interconnected microblogging community

Stack

Ruby Express React Ruby on Rails Vite Bundler Yarn

GitHub topics

#activity-stream #activitypub #docker #fediverse #mastodon #microblog

Updated: 2026-10-17
Lists: 7 list mentions
First commit: 2016-02-20
License: AGPL-3.0
Issues: 4,604 open

50,412

stars

Forks: 7,522
Commits: 22,672 commits
Star growth, last 7 days: +41 +0.1%
Commit velocity, last 7 days: +77 +0.3%

Website GitHub

calcom/cal.diy

Scheduling infrastructure for absolutely everyone.

AI dev

Stack

TypeScript NestJS Next.js React Tailwind CSS npm Yarn

GitHub topics

#next-auth #nextjs #open-source #postgresql #prisma #t3-stack

Updated: 2026-09-26
Lists: 6 list mentions
First commit: 2021-03-10
License: MIT
Issues: 1,514 open

49,096

stars

Forks: 15,365
Commits: 16,499 commits
Star growth, last 7 days: +151 +0.3%
Commit velocity, last 7 days: 0 0.0%

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: 2026-10-06
Lists: 4 list mentions
First commit: 2015-05-19
License: NOASSERTION
Issues: 4,197 open

46,213

stars

Forks: 13,948
Commits: 30,424 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: 2026-10-04
Lists: 3 list mentions
First commit: 2019-01-21
License: Apache-2.0
Issues: 4,500 open

41,018

stars

Forks: 4,787
Commits: 20,517 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

LAION-AI/Open-Assistant

OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamically to do so.

Stack

Python Celery FastAPI Jupyter LangChain npm PEP 517 pip

GitHub topics

#ai #assistant #chatgpt #discord-bot #language-model #machine-learning

Updated: 2024-08-17
Lists: 2 list mentions
First commit: 2022-12-13
License: Apache-2.0
Issues: 296 open

37,401

stars

Forks: 3,277
Commits: 3,477 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

medusajs/medusa

The world's most flexible commerce platform for agents and developers

AI dev

Stack

TypeScript Express Next.js React Tailwind CSS npm Yarn

GitHub topics

#ai-coding #ai-tools #commerce #e-commerce #ecommerce #framework

Updated: 2026-09-11
Lists: 3 list mentions
First commit: 2020-01-18
License: NOASSERTION
Issues: 193 open

36,260

stars

Forks: 5,223
Commits: 10,778 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

transloadit/uppy

The next open source file uploader for web browsers :dog:

AI dev

Stack

TypeScript Angular Express Flask Next.js Composer npm pip

GitHub topics

#dropbox #encoding #file-uploader #file-uploads #files #instagram

Updated: 2026-09-18
Lists: 2 list mentions
First commit: 2015-11-16
License: MIT
Issues: 186 open

30,986

stars

Forks: 2,103
Commits: 11,186 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Budibase/budibase

AI agents, automations and apps that run your operations. Model agnostic.

AI dev

Stack

TypeScript Express React Svelte Vite npm Yarn

GitHub topics

#ai-app-builder #ai-applications #crud-app #crud-application #data-application #data-apps

Updated: 2026-10-06
Lists: 3 list mentions
First commit: 2019-03-19
License: NOASSERTION
Issues: 266 open

28,329

stars

Forks: 2,230
Commits: 60,313 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

gotify/server

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

Stack

Go Gin React Vite Go modules npm Yarn

GitHub topics

#api #cloud #free-software #golang #gotify #hosting

Updated: 2026-09-15
Lists: 3 list mentions
First commit: 2018-01-19
License: NOASSERTION
Issues: 84 open

15,914

stars

Forks: 873
Commits: 962 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: 2026-10-05
Lists: 3 list mentions
First commit: 2019-11-14
License: GPL-3.0
Issues: 1,078 open

14,719

stars

Forks: 1,023
Commits: 15,623 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

automatisch/automatisch

The open source Zapier alternative. Build workflow automation without spending time and money.

Stack

JavaScript Express React Vite Vue npm Yarn

GitHub topics

#automation #automatisch #low-code #no-code #open-source #self-hosted

Updated: 2026-02-11
Lists: 3 list mentions
First commit: 2021-10-01
License: NOASSERTION
Issues: 289 open

13,969

stars

Forks: 1,062
Commits: 4,776 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

doccano/doccano

Open source annotation tool for machine learning practitioners.

Stack

Python Celery Django Django REST Framework Nuxt npm pip Poetry

GitHub topics

#annotation-tool #data-labeling #dataset #datasets #machine-learning #natural-language-processing

Updated: 2026-04-14
Lists: 2 list mentions
First commit: 2018-05-09
License: MIT
Issues: 398 open

10,767

stars

Forks: 1,824
Commits: 3,554 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

GitHub

highlight/highlight

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

AI dev

Stack

TypeScript Actix Web Angular Celery Django Bundler Cargo .NET SDK

GitHub topics

#apm #full-stack #golang #metrics #monitoring #observability

Updated: 2026-08-20
Lists: 2 list mentions
First commit: 2020-08-20
License: NOASSERTION
Issues: 553 open

9,374

stars

Forks: 675
Commits: 7,064 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

nhost/nhost

The Open Source Firebase Alternative with GraphQL.

AI dev

Stack

TypeScript Astro Expo Express Gin Bun Go modules npm

GitHub topics

#authentication #backend #backend-as-a-service #database #firebase #flutter

Updated: 2026-10-06
Lists: 3 list mentions
First commit: 2021-02-09
License: MIT
Issues: 190 open

9,347

stars

Forks: 634
Commits: 9,432 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

crater-invoice-inc/crater

Open Source Invoicing Solution for Individuals & Businesses

Stack

PHP Laravel Tailwind CSS Vite Vue Composer npm Yarn

GitHub topics

#invoices #javascript #laravel #laravel-framework #payment #php

Updated: 2024-08-10
Lists: 1 list mention
First commit: 2019-11-11
License: AGPL-3.0
Issues: 425 open

8,349

stars

Forks: 1,710
Commits: 1,292 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: 2026-10-07
Lists: 3 list mentions
First commit: 2010-05-17
License: NOASSERTION
Issues: 2,081 open

8,150

stars

Forks: 1,131
Commits: 29,979 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

webiny/webiny-js

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

AI dev

Stack

TypeScript Next.js React Tailwind CSS npm Yarn

GitHub topics

#ai-assisted-development #aws #aws-lambda #cms #graphql #headless-cms

Updated: 2026-10-02
Lists: 2 list mentions
First commit: 2018-01-09
License: NOASSERTION
Issues: 371 open

8,048

stars

Forks: 682
Commits: 19,948 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

openblocks-dev/openblocks

🔥 🔥 🔥 The Open Source Retool Alternative

Stack

TypeScript Express React Spring Boot Vite Maven npm Yarn

GitHub topics

#admin-dashboard #app-builder #app-development #business-intelligence #clickhouse #crm

Updated: 2023-10-19
Lists: 1 list mention
First commit: 2022-11-14
License: AGPL-3.0
Issues: 128 open

6,237

stars

Forks: 404
Commits: 535 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

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: 2026-10-13
Lists: 2 list mentions
First commit: 2022-05-17
License: GPL-3.0
Issues: 127 open

4,435

stars

Forks: 217
Commits: 2,216 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

cozodb/cozo

A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!

Stack

Rust Axum Cargo CMake npm

GitHub topics

#client-server #cozo #cozoscript #cross-platform #database #datalog

Updated: 2024-12-04
Lists: 2 list mentions
First commit: 2022-04-01
License: MPL-2.0
Issues: 49 open

4,134

stars

Forks: 167
Commits: 1,813 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

LimeSurvey/LimeSurvey

🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.

Stack

JavaScript React Symfony Composer npm Yarn

GitHub topics

#html5 #javascript #limesurvey #mssql #mysql #php

Updated: 2026-10-03
Lists: 3 list mentions
First commit: 2003-03-07
License: NOASSERTION
Issues: Disabled

3,743

stars

Forks: 1,123
Commits: 43,705 commits
Star growth, last 7 days: No 7-day history
Commit velocity, last 7 days: No 7-day history

Website GitHub

Peppermint-Lab/peppermint

An open source issue management & help desk solution. A zendesk & jira alternative

Archived

Stack

TypeScript Fastify Next.js React Tailwind CSS npm Yarn

GitHub topics

#crm #customer-relationship-management #docker #full-stack #helpdesk #issue-tracker

Updated: 2025-09-21
Lists: 2 list mentions
First commit: 2020-11-05
License: NOASSERTION
Issues: 99 open

3,161

stars

Forks: 387
Commits: 1,730 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: 2026-09-10
Lists: 3 list mentions
First commit: 2008-02-11
License: NOASSERTION
Issues: 38 open

1,675

stars

Forks: 667
Commits: 21,585 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: 74 open

1,013

stars

Forks: 100
Commits: 679 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: 2026-10-17
Created: 2023-05-22
First commit: -
Last scanned: 2026-10-17 10:50
Watchers: 70

Indexed repo mix

Repo stars: 3,471,601
Repo forks: 432,078
Active: 143
Archived: 2

Languages

TypeScript (59) PHP (20) JavaScript (12) Go (11) Python (8) Java (7) Ruby (6) C++ (4) Rust (4) Clojure (3) Astro (1) C# (1)

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