10+ Best Open Source Projects using Tanstack Start in 2026

Plasmic

Visual builder that integrates with your codebase for unlimited app development

Stars
6,765
Forks
675
Last commit
11 hours ago

Build web apps, internal tools, and customer portals fast with visual editing, drag-and-drop design, and seamless codebase integration. Deploy anywhere without limits.

Open Source Alternative to:

Webflow

Supabase

Open-source Firebase alternative for modern app development

Stars
101,892
Forks
12,305
Last commit
8 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

Better Auth

Framework-agnostic authentication for TypeScript applications

Stars
28,121
Forks
2,500
Last commit
2 days ago

A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.

Open Source Alternative to:

Clerk

Fumadocs

Build beautiful documentation sites with Next.js

Stars
11,735
Forks
659
Last commit
11 hours ago

A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.

Open Source Alternative to:

Mintlify

Typebot

Create powerful chatbots without coding

Stars
9,901
Forks
3,058
Last commit
5 days ago

Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Voiceflow

Hyprnote

AI-powered notepad that transforms meeting notes into clear summaries

Stars
8,375
Forks
598
Last commit
2 days ago

An intelligent note-taking assistant that combines your quick notes with meeting transcripts to create comprehensive, organized meeting summaries automatically.

Open Source Alternative to:

Otter.ai

OpenSEO

Open source SEO tools without the enterprise price tag

Stars
1,612
Forks
185
Last commit
1 day ago

Self-hosted SEO platform for keyword research, backlink analysis, competitor monitoring, and rank tracking. Fork the code, customize features, and own your data completely.

Open Source Alternative to:

Ahrefs

Open Wearables

Convert wearable data into actionable health insights with open algorithms

Stars
1,551
Forks
244
Last commit
17 hours ago

Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.

Open Source Alternative to:

Terra API

Conar

AI-powered PostgreSQL management made simple

Stars
1,350
Forks
99
Last commit
9 hours ago

Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.

Open Source Alternative to:

TablePlus

OpenPolicy

Generate legal policies directly from TypeScript code

Stars
142
Forks
5
Last commit
2 days ago

Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Termly

Sayr

Bridge internal workflows with public collaboration

Stars
12
Forks
1
Last commit
2 days ago

Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Open Source Alternative to:

Linear

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Plasmic

Visual builder that integrates with your codebase for unlimited app development

Stars
6,765
Forks
675
Last commit
11 hours ago

Build web apps, internal tools, and customer portals fast with visual editing, drag-and-drop design, and seamless codebase integration. Deploy anywhere without limits.

Open Source Alternative to:

Webflow

Supabase

Open-source Firebase alternative for modern app development

Stars
101,892
Forks
12,305
Last commit
8 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

Better Auth

Framework-agnostic authentication for TypeScript applications

Stars
28,121
Forks
2,500
Last commit
2 days ago

A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.

Open Source Alternative to:

Clerk

Fumadocs

Build beautiful documentation sites with Next.js

Stars
11,735
Forks
659
Last commit
11 hours ago

A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.

Open Source Alternative to:

Mintlify

Typebot

Create powerful chatbots without coding

Stars
9,901
Forks
3,058
Last commit
5 days ago

Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Voiceflow

Hyprnote

AI-powered notepad that transforms meeting notes into clear summaries

Stars
8,375
Forks
598
Last commit
2 days ago

An intelligent note-taking assistant that combines your quick notes with meeting transcripts to create comprehensive, organized meeting summaries automatically.

Open Source Alternative to:

Otter.ai

OpenSEO

Open source SEO tools without the enterprise price tag

Stars
1,612
Forks
185
Last commit
1 day ago

Self-hosted SEO platform for keyword research, backlink analysis, competitor monitoring, and rank tracking. Fork the code, customize features, and own your data completely.

Open Source Alternative to:

Ahrefs

Open Wearables

Convert wearable data into actionable health insights with open algorithms

Stars
1,551
Forks
244
Last commit
17 hours ago

Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.

Open Source Alternative to:

Terra API

Conar

AI-powered PostgreSQL management made simple

Stars
1,350
Forks
99
Last commit
9 hours ago

Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.

Open Source Alternative to:

TablePlus

OpenPolicy

Generate legal policies directly from TypeScript code

Stars
142
Forks
5
Last commit
2 days ago

Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Termly

Sayr

Bridge internal workflows with public collaboration

Stars
12
Forks
1
Last commit
2 days ago

Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Open Source Alternative to:

Linear

Open Source Projects using Tanstack Start

A curated collection of the 11 best open source software using Tanstack Start. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Browse tools using Tanstack Start by category

AI Chat Interfaces using Tanstack Start

Authentication & SSO Providers using Tanstack Start

Backend-as-a-Service (BaaS) Tools using Tanstack Start

Chatbot Platforms using Tanstack Start

Community Feedback Platforms using Tanstack Start

Compliance Automation Tools using Tanstack Start

Data Engineering & Integration Tools using Tanstack Start

Database Tools & GUIs using Tanstack Start

Documentation & Knowledge Base Tools using Tanstack Start

Frontend Development Tools using Tanstack Start

Identity & Access Management (IAM) Tools using Tanstack Start

Low-Code/No-Code Platforms using Tanstack Start

Note-Taking Tools using Tanstack Start

Productivity & Utilities using Tanstack Start

Project Management Suites using Tanstack Start

SEO Tools using Tanstack Start

UI/UX Design Tools using Tanstack Start

Browse tools using Tanstack Start by category

AI Chat Interfaces using Tanstack Start

Authentication & SSO Providers using Tanstack Start

Backend-as-a-Service (BaaS) Tools using Tanstack Start

Chatbot Platforms using Tanstack Start

Community Feedback Platforms using Tanstack Start

Compliance Automation Tools using Tanstack Start

Data Engineering & Integration Tools using Tanstack Start

Database Tools & GUIs using Tanstack Start

Documentation & Knowledge Base Tools using Tanstack Start

Frontend Development Tools using Tanstack Start

Identity & Access Management (IAM) Tools using Tanstack Start

Low-Code/No-Code Platforms using Tanstack Start

Note-Taking Tools using Tanstack Start

Productivity & Utilities using Tanstack Start

Project Management Suites using Tanstack Start

SEO Tools using Tanstack Start

UI/UX Design Tools using Tanstack Start