10+ Best Open Source Projects using Elixir in 2026

Supabase

Open-source Firebase alternative for modern app development

Stars
101,773
Forks
12,261
Last commit
16 hours ago

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

Open Source Alternative to:

Firebase

Plausible

Privacy-focused, lightweight web analytics

Stars
24,723
Forks
1,392
Last commit
3 days ago

Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.

Open Source Alternative to:

Google Analytics

Highlight

Real-time observability for modern web applications

Stars
9,247
Forks
541
Last commit
18 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

FireZone

Fast, flexible VPN replacement with zero-trust security

Stars
8,592
Forks
414
Last commit
13 hours ago

Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

Open Source Alternative to:

Teleport

Grit

Automated technical debt reduction for software teams

Stars
4,488
Forks
123
Last commit
2 days ago

Grit uses machine learning and static analysis to automatically generate pull requests that clean up code and migrate to the latest frameworks.

Sequin

Open-source message stream built on Postgres

Stars
2,073
Forks
130
Last commit
2 months ago

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open Source Alternative to:

Amazon SQS

Azimutt

Next-Gen ERD: Design, Explore, Document and Analyze your database.

Stars
2,116
Forks
133
Last commit
6 days ago

Azimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.

Keila

Open-source email marketing for the privacy-conscious

Stars
2,082
Forks
146
Last commit
2 days ago

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Open Source Alternative to:

Substack

Semaphore

Open source CI/CD platform that's faster and costs less

Stars
1,510
Forks
75
Last commit
2 days ago

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

Open Source Alternative to:

Jenkins

Operately

Open source company management for high-performance startups

Stars
451
Forks
50
Last commit
3 days ago

Operately is an open source platform that centralizes projects, goals, and processes, helping startups run efficiently without a COO.

Open Source Alternative to:

Jira

Frontman

AI coding agent that sees your live app and edits code

Stars
387
Forks
16
Last commit
23 hours ago

Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Open Source Alternative to:

Lovable

Midori Browser

Fast, secure, and privacy-focused web browsing

Stars
295
Forks
18
Last commit
19 hours ago

Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Firefox

Wraft

Scale document creation with automated workflows

Stars
136
Forks
24
Last commit
6 days ago

Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.

Open Source Alternative to:

DocuSign

DoubleZero

Self-hosted email infrastructure for developers

Stars
1,241
Forks
66
Last commit
2 years ago

00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.

Open Source Alternative to:

Resend

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Supabase

Open-source Firebase alternative for modern app development

Stars
101,773
Forks
12,261
Last commit
16 hours ago

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

Open Source Alternative to:

Firebase

Plausible

Privacy-focused, lightweight web analytics

Stars
24,723
Forks
1,392
Last commit
3 days ago

Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.

Open Source Alternative to:

Google Analytics

Highlight

Real-time observability for modern web applications

Stars
9,247
Forks
541
Last commit
18 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

FireZone

Fast, flexible VPN replacement with zero-trust security

Stars
8,592
Forks
414
Last commit
13 hours ago

Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

Open Source Alternative to:

Teleport

Grit

Automated technical debt reduction for software teams

Stars
4,488
Forks
123
Last commit
2 days ago

Grit uses machine learning and static analysis to automatically generate pull requests that clean up code and migrate to the latest frameworks.

Sequin

Open-source message stream built on Postgres

Stars
2,073
Forks
130
Last commit
2 months ago

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open Source Alternative to:

Amazon SQS

Azimutt

Next-Gen ERD: Design, Explore, Document and Analyze your database.

Stars
2,116
Forks
133
Last commit
6 days ago

Azimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.

Keila

Open-source email marketing for the privacy-conscious

Stars
2,082
Forks
146
Last commit
2 days ago

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Open Source Alternative to:

Substack

Semaphore

Open source CI/CD platform that's faster and costs less

Stars
1,510
Forks
75
Last commit
2 days ago

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

Open Source Alternative to:

Jenkins

Operately

Open source company management for high-performance startups

Stars
451
Forks
50
Last commit
3 days ago

Operately is an open source platform that centralizes projects, goals, and processes, helping startups run efficiently without a COO.

Open Source Alternative to:

Jira

Frontman

AI coding agent that sees your live app and edits code

Stars
387
Forks
16
Last commit
23 hours ago

Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Open Source Alternative to:

Lovable

Midori Browser

Fast, secure, and privacy-focused web browsing

Stars
295
Forks
18
Last commit
19 hours ago

Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Firefox

Wraft

Scale document creation with automated workflows

Stars
136
Forks
24
Last commit
6 days ago

Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.

Open Source Alternative to:

DocuSign

DoubleZero

Self-hosted email infrastructure for developers

Stars
1,241
Forks
66
Last commit
2 years ago

00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.

Open Source Alternative to:

Resend

Open Source Projects using Elixir

A curated collection of the 14 best open source software using Elixir. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Browse tools using Elixir by category

Backend-as-a-Service (BaaS) Tools using Elixir

CI/CD Platforms using Elixir

Code Transformation Tools using Elixir

Data Visualization Tools using Elixir

Database Tools & GUIs using Elixir

Document Management Systems using Elixir

E-Signature Platforms using Elixir

Email Marketing & Newsletter Tools using Elixir

Email Platforms using Elixir

Error Tracking Tools using Elixir

Marketing Automation Tools using Elixir

Message Queues using Elixir

Network Security Tools using Elixir

Performance Monitoring (APM) Tools using Elixir

Project Management Suites using Elixir

Static Analysis Tools using Elixir

VPN & Secure Access Tools using Elixir

Web Analytics using Elixir

Web Browsers using Elixir

Browse tools using Elixir by category

Backend-as-a-Service (BaaS) Tools using Elixir

CI/CD Platforms using Elixir

Code Transformation Tools using Elixir

Data Visualization Tools using Elixir

Database Tools & GUIs using Elixir

Document Management Systems using Elixir

E-Signature Platforms using Elixir

Email Marketing & Newsletter Tools using Elixir

Email Platforms using Elixir

Error Tracking Tools using Elixir

Marketing Automation Tools using Elixir

Message Queues using Elixir

Network Security Tools using Elixir

Performance Monitoring (APM) Tools using Elixir

Project Management Suites using Elixir

Static Analysis Tools using Elixir

VPN & Secure Access Tools using Elixir

Web Analytics using Elixir

Web Browsers using Elixir