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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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Cover image for 🚀 Build Edit Forms in React Faster with SVAR Editor

Olga T.

Sep 29

🚀 Build Edit Forms in React Faster with SVAR Editor

#react #frontend #javascript #opensource

3 min read

Muhibbudin Suretno

Aug 29

This is How I Automate the Tech Discovery Using LLMs

#ai #automation #nextjs #opensource

4 min read

Cover image for Headless CMS Guide 2025, Part 2: Top platforms and how to choose the right one

Magdalena Sobantka for flotiq

Sep 9

Headless CMS Guide 2025, Part 2: Top platforms and how to choose the right one

#webdev #flotiq #headlesscms #opensource

5 min read

Cover image for Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

Anmol Baranwal for CopilotKit

Sep 16

Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

#programming #webdev #opensource #ai

19 min read

Shinsuke KAGAWA

Sep 8

From 49 to 95: How Prompt Engineering Boosted Gemini MCP Image Generation

#ai #promptengineering #mcp #opensource

5 min read

Sep 29

From Zero to 1 B Vectors: the 2025 No-BS Picking Guide

#ai #vectordatabase #opensource #rag

2 min read

Cover image for Get Your Free .is-a.dev Subdomain: Step-by-Step Guide for Developers

Sep 29

Get Your Free .is-a.dev Subdomain: Step-by-Step Guide for Developers

#webdev #domain #tutorial #opensource

3 min read

Aug 26

logger.ts in Motia.dev codebase.

#logger #opensource #npm

3 min read

Aug 26

`inquirer` package in Puck codebase.

#opensource #npm #cli

2 min read

Aug 26

Discover Flyy.js: The Lightweight Hero for Effortless Data Management in JavaScript

#webdev #programming #javascript #opensource

6 min read

Marc Anton Dahmen

Sep 27

Why I Prefer to Work Alone on My Personal Projects

#opensource #webdev #softwaredevelopment #sideprojects

2 min read

Cover image for Introducing SecureCheck: An Open-Source Security Scanner for Web Applications

Sep 29

Introducing SecureCheck: An Open-Source Security Scanner for Web Applications

#security #node #opensource #webdev

2 min read

Joy Biswas

Sep 29

I Self-Hosted n8n and Fixed the Websocket Headache

#opensource #linux #automation

2 min read

Anderson Yu-Hong Cai

Sep 29

I’m Joining Hacktoberfest 2025

#hacktoberfest #opensource

2 min read

Cover image for Engineers, last call: help us build the cleanest open-source investing dashboard (before it gets boring)

22s Pocket Portfolio for Pocket Portfolio

Sep 28

Engineers, last call: help us build the cleanest open-source investing dashboard (before it gets boring)

#showdev #react #opensource #webdev

3 min read

Sep 27

From frustration to open source adoption: my journey building SnapDOM

#opensource #programming

2 min read

Agustin V. Startari

Aug 29

The System Didn’t Ask, It Just Made You Comply

#discuss #ai #react #opensource

7 min read

Cover image for Dev Log #1 — Mirage / Apate: Field Notes from the First Brick

Rizzy65

Sep 28

Dev Log #1 — Mirage / Apate: Field Notes from the First Brick

#programming #beginners #devops #opensource

3 min read

Nazwa Shabrina Zain

Aug 26

String Dalam Bahasa Earl

#programming #opensource #learning #beginners

1 min read

quanlegia

Aug 26

AI Code Review Action – Automated PR Reviews Using AI (OpenAI, Gemini, ...)

#ai #githubactions #opensource #cicd

2 min read

Cover image for 🚀 Self-Hosting Without the Headaches: My First Look at PikaPods

Aug 25

🚀 Self-Hosting Without the Headaches: My First Look at PikaPods

#pikapods #opensource #hostingapp #webdev

2 min read

Alexis Clarembeau

Aug 29

A new tool to manage your i18n locale files

#i18n #opensource #npm #cli

3 min read

Cover image for Brave vs Chrome: Which Browser Should You Use in 2025? 🆚

ToufiQ

Aug 25

Brave vs Chrome: Which Browser Should You Use in 2025? 🆚

#browser #privacy #opensource #devtools

2 min read

ToufiQ

Aug 25

What is the operating system FuguIta

#bsd #opensource #livecd #linux

2 min read

Cover image for I created a small 2D game about an ant :)

Sep 19

I created a small 2D game about an ant :)

#webdev #javascript #programming #opensource

1 min read

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