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Open Source

May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management.

submission guidelines

UPDATED APRIL 8, 2020

To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories:

Organizing, managing, running, or working in an Open Source project.
Open Source philosophy, licensing, and/or practical and legal topics thereof.
Advocacy and adoption of Open Source philosophy.

DO NOT use this tag if you are simply using technologies which happen to be open source.

You should NOT use this tag for any of the following:

Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.)
Contributor requests. (Use #contributorswanted or Listings.)
Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.)
Showing off something you've built that happens to be open source. (Use the #showdev tag.)
Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.)

Projects must comply with the Open Source Definition (see below) to legally use the term "open source".

As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS).

about #opensource

Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative.

"Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.)

Open Source Hardware is defined and overseen by the Open Source Hardware Assocation

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Apache SeaTunnel

Oct 30

OSPP Project Outcome: Supporting Flink Engine CDC Source Schema Evolution

#database #dataengineering #opensource

6 min read

Helder Nogueira

Oct 30

Squared2D Game Engine Update

#showdev #opensource #tooling #gamedev

1 min read

Hacktoberfest: Open Source Reflections

Oct 31

Open Source Reflections: My Hacktoberfest 2025 Journey

#devchallenge #hacktoberfest #opensource

2 min read

Cover image for We Built an x402 Marketplace for Bookmark Collectors (That Pays Creators & Curators in USDC)

Handuo

Nov 13

We Built an x402 Marketplace for Bookmark Collectors (That Pays Creators & Curators in USDC)

#webdev #ai #opensource #blockchain

2 min read

Cover image for Introducing metadata.party: your free and open source metadata API

Mr M

Nov 3

Introducing metadata.party: your free and open source metadata API

#discuss #opensource #programming #api

3 min read

Cover image for Creative Tim UI - Open-source shadcn/ui blocks ready for v0, Lovable, Replit, Claude, and more.

Nov 3

Creative Tim UI - Open-source shadcn/ui blocks ready for v0, Lovable, Replit, Claude, and more.

#opensource #mcp #vibecoding #webdev

2 min read

Cover image for Optimizing "GitHub-as-a-Database": Solving Rate Limits with Server-Side Caching

Uche Wendy

Dec 3

Optimizing "GitHub-as-a-Database": Solving Rate Limits with Server-Side Caching

#javascript #node #opensource #performance

3 min read

Cover image for Top Open Source Tools for Kubernetes ML: From Development to Production

Jesse Williams for Jozu

Nov 4

Top Open Source Tools for Kubernetes ML: From Development to Production

#ai #beginners #opensource #kubernetes

12 min read

Cover image for Add Production-Ready Observability to Your AI Agent Workflows in 5 Minutes

Dariel Vila for KaibanJS

Oct 31

Add Production-Ready Observability to Your AI Agent Workflows in 5 Minutes

#webdev #ai #javascript #opensource

6 min read

Hacktoberfest: Contribution Chronicles

Nov 3

Hacktoberfest 2025 — My First Time as a Contributor 😼

#devchallenge #hacktoberfest #opensource

2 min read

Nov 13

TurboMapper

#objectmapper #deepmapper #opensource #conventionbased

13 min read

Cover image for Community Spotlight: Building a Real-World ERP with NocoBase

NocoBase

Dec 4

Community Spotlight: Building a Real-World ERP with NocoBase

#news #opensource #lowcode #nocode

7 min read

kaifcodec

Oct 29

Created InstaScrape an Async Instagram Comment Scraper, looking for feedbacks and contributions.

#showdev #opensource #python #tooling

2 min read

Oct 30

Dioc library in Hoppscotch codebase.

#dioc #opensource #service #hoppscotch

3 min read

Kushagra

Oct 30

Spotlight: A Modern Social Media App Built with React Native + Expo

#reactnative #opensource #mobile #buildinpublic

1 min read

Cover image for What Is HATEOAS? A Complete Guide + Build Your Own App Using Hypermedia 🔥

Nov 27

What Is HATEOAS? A Complete Guide + Build Your Own App Using Hypermedia 🔥

#webdev #javascript #programming #opensource

4 min read

Cover image for Eppie, a new open-source cross-platform email client, on Snap Store🐧

Eppie

Oct 30

Eppie, a new open-source cross-platform email client, on Snap Store🐧

#opensource #programming #linux #security

2 min read

Cover image for Let's Build ExamMate Together - An Open Source Project to Simplify Exam Prep

Oct 29

Let's Build ExamMate Together - An Open Source Project to Simplify Exam Prep

#opensource #ai #django #react

3 min read

Cover image for MuleRun GACUA: An Open-Source Computer Use Agent That Actually Works

MuleRun

Oct 30

MuleRun GACUA: An Open-Source Computer Use Agent That Actually Works

#webdev #ai #opensource #programming

5 min read

Cover image for Deck 11: Free Open‑Source Card Pack for Figma

Oluwafemi Adelekan

Oct 30

Deck 11: Free Open‑Source Card Pack for Figma

#figma #opensource #design #productivity

1 min read

Cover image for Embedding Serverless Dashboards in React

Visual Analytics Guy

Dec 3

Embedding Serverless Dashboards in React

#react #webdev #analytics #opensource

1 min read

Cover image for Medium vs DEV vs Hashnode vs Hackernoon vs CoderLegion — Where Should You Publish & Launch? 🚀

Dec 2

Medium vs DEV vs Hashnode vs Hackernoon vs CoderLegion — Where Should You Publish & Launch? 🚀

#discuss #webdev #opensource #techwriting

13 min read

Oct 30

Krish Naik: Now Running MCP Server Is Easy With Docker MCP Toolkit

#docker #devops #opensource

1 min read

Cover image for NocoBase Weekly Updates: Optimization and Bug Fixes

NocoBase

Oct 30

NocoBase Weekly Updates: Optimization and Bug Fixes

#news #opensource #lowcode #nocode

8 min read

Cover image for A Pull Request to Purpose

Hacktoberfest: Open Source Reflections

Nov 2

A Pull Request to Purpose

#devchallenge #hacktoberfest #opensource #programming

2 min read

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