10+ Best Open Source Projects using Polar in 2026

OpenPanel

Cookie-free web and product analytics, self-hostable

Stars
6,054
Forks
389
Last commit
3 days ago

Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.

Open Source Alternative to:

Google Analytics

Midday

Streamline your business finances and operations

Stars
14,562
Forks
1,750
Last commit
23 days ago

All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Open Source Alternative to:

YNAB

Scira

Minimalistic AI-powered search engine for instant answers

Stars
11,751
Forks
1,477
Last commit
4 months ago

Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

Open Source Alternative to:

Perplexity

Polar

Modern payment infrastructure for digital products and SaaS

Stars
10,041
Forks
738
Last commit
1 day ago

Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Stripe

Languine

Automated localization for modern development teams

Stars
2,032
Forks
133
Last commit
2 months ago

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Open Source Alternative to:

Crowdin

ClassroomIO

Build your custom learning academy in minutes

Stars
1,597
Forks
341
Last commit
2 days ago

Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.

Open Source Alternative to:

Udemy

Cossistant

AI-native support infrastructure for modern SaaS

Stars
690
Forks
42
Last commit
4 days ago

Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Open Source Alternative to:

Zendesk

Marble CMS

Simple content management for modern sites

Stars
371
Forks
53
Last commit
11 hours ago

A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.

Open Source Alternative to:

WordPress

Ikiform

Create stunning forms with AI-powered builder and analytics

Stars
347
Forks
49
Last commit
2 months ago

Build beautiful, interactive forms with AI assistance. Open-source alternative to Google Forms with unlimited submissions, advanced analytics, and seamless integrations.

Open Source Alternative to:

Google Forms

Slugy

Transform long URLs into beautiful, trackable short links

Stars
90
Forks
15
Last commit
1 month ago

Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.

Open Source Alternative to:

TinyURL

UserTourKit

Lightweight, accessible product tours built for React developers

Stars
53
Forks
30
Last commit
16 days ago

Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.

Open Source Alternative to:

Appcues

Sayr

Bridge internal workflows with public collaboration

Stars
17
Forks
1
Last commit
11 hours 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

Proxed AI

Secure AI API management for iOS apps with DeviceCheck

Stars
7
Forks
0
Last commit
6 months ago

A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

OpenPanel

Cookie-free web and product analytics, self-hostable

Stars
6,054
Forks
389
Last commit
3 days ago

Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.

Open Source Alternative to:

Google Analytics

Midday

Streamline your business finances and operations

Stars
14,562
Forks
1,750
Last commit
23 days ago

All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Open Source Alternative to:

YNAB

Scira

Minimalistic AI-powered search engine for instant answers

Stars
11,751
Forks
1,477
Last commit
4 months ago

Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

Open Source Alternative to:

Perplexity

Polar

Modern payment infrastructure for digital products and SaaS

Stars
10,041
Forks
738
Last commit
1 day ago

Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Stripe

Languine

Automated localization for modern development teams

Stars
2,032
Forks
133
Last commit
2 months ago

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Open Source Alternative to:

Crowdin

ClassroomIO

Build your custom learning academy in minutes

Stars
1,597
Forks
341
Last commit
2 days ago

Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.

Open Source Alternative to:

Udemy

Cossistant

AI-native support infrastructure for modern SaaS

Stars
690
Forks
42
Last commit
4 days ago

Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Open Source Alternative to:

Zendesk

Marble CMS

Simple content management for modern sites

Stars
371
Forks
53
Last commit
11 hours ago

A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.

Open Source Alternative to:

WordPress

Ikiform

Create stunning forms with AI-powered builder and analytics

Stars
347
Forks
49
Last commit
2 months ago

Build beautiful, interactive forms with AI assistance. Open-source alternative to Google Forms with unlimited submissions, advanced analytics, and seamless integrations.

Open Source Alternative to:

Google Forms

Slugy

Transform long URLs into beautiful, trackable short links

Stars
90
Forks
15
Last commit
1 month ago

Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.

Open Source Alternative to:

TinyURL

UserTourKit

Lightweight, accessible product tours built for React developers

Stars
53
Forks
30
Last commit
16 days ago

Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.

Open Source Alternative to:

Appcues

Sayr

Bridge internal workflows with public collaboration

Stars
17
Forks
1
Last commit
11 hours 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

Proxed AI

Secure AI API management for iOS apps with DeviceCheck

Stars
7
Forks
0
Last commit
6 months ago

A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps

Open Source Projects using Polar

A curated collection of the 13 best open source software using Polar. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Browse tools using Polar by category

Accounting Software using Polar

AI API Key Protection Tools using Polar

AI Search Tools using Polar

Community Feedback Platforms using Polar

Course Creation Platforms using Polar

Customer Communication Platforms using Polar

Forms & Survey Tools using Polar

Freelancer Tools using Polar

Headless CMS Tools using Polar

Helpdesk Software using Polar

Invoicing & Payment Tools using Polar

Link Management & Shorteners using Polar

Live Chat & Messaging Tools using Polar

Mobile Development Platforms using Polar

Payment Infrastructure Tools using Polar

Product Analytics using Polar

Product Tour & User Onboarding Tools using Polar

Project Management Suites using Polar

Translation Management Tools using Polar

Web Analytics using Polar

Browse tools using Polar by category

Accounting Software using Polar

AI API Key Protection Tools using Polar

AI Search Tools using Polar

Community Feedback Platforms using Polar

Course Creation Platforms using Polar

Customer Communication Platforms using Polar

Forms & Survey Tools using Polar

Freelancer Tools using Polar

Headless CMS Tools using Polar

Helpdesk Software using Polar

Invoicing & Payment Tools using Polar

Link Management & Shorteners using Polar

Live Chat & Messaging Tools using Polar

Mobile Development Platforms using Polar

Payment Infrastructure Tools using Polar

Product Analytics using Polar

Product Tour & User Onboarding Tools using Polar

Project Management Suites using Polar

Translation Management Tools using Polar

Web Analytics using Polar