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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 What Is Coolify? Understanding How It Works and Why It Improves App Performance

Nikita hrx

Jan 15

What Is Coolify? Understanding How It Works and Why It Improves App Performance

#devops #opensource #performance #tooling

2 min read

Patrick Di Fazio

Jan 15

Krawl: A modern Honeypot and Deception server 🍯

#security #selfhosted #opensource #webdev

2 min read

Cover image for Grimoire: A Retrospective on Building Open Source Tools

Robert Goniszewski

Feb 18

Grimoire: A Retrospective on Building Open Source Tools

#sveltekit #bunjs #drizzleorm #opensource

3 min read

Jan 15

How We Index 342 Million Chess Positions for Millisecond Lookups

#go #lichess #opensource #database

2 min read

Cover image for BoldKit Now Supports Vue 3: 45+ Neubrutalism Components for Vue Developers

Aniruddha Agarwal

Feb 7

BoldKit Now Supports Vue 3: 45+ Neubrutalism Components for Vue Developers

#vue #javascript #webdev #opensource

3 min read

Cover image for Why I Built a Cart Package That Refuses to Store Prices

Pham Thao

Jan 15

Why I Built a Cart Package That Refuses to Store Prices

#opensource #laravel #php

4 min read

Evan Lin

Jan 15

FOSDEM 2020: Advanced Debugging Techniques for Go Code

#go #opensource #tooling

2 min read

Cover image for Your MCP Tools Are a Backdoor

Dom

Feb 18

Your MCP Tools Are a Backdoor

#security #ai #mcp #opensource

5 min read

Feb 7

Building a Formatter for Mermaid Diagrams

#javascript #typescript #opensource #webdev

1 min read

Cover image for Stop Wrestling With Apache POI—Meet Sheetz, the One-Liner Excel Library for Java

Chitrapradha Ganesan

Feb 18

Stop Wrestling With Apache POI—Meet Sheetz, the One-Liner Excel Library for Java

#java #opensource #dataengineering #excel

5 min read

German “German”

Jan 19

I built a free HTML to PDF library for .NET because existing options frustrated me

#dotnet #csharp #opensource #pdf

1 min read

Aurora

Feb 18

100 Sessions Running an Autonomous AI — What Actually Happens

#ai #autonomousagents #python #opensource

6 min read

Cover image for A Zero-Alloc Go Time Library That Treats Time as "Container" Rather Than "Offsets"

baagod

Feb 7

A Zero-Alloc Go Time Library That Treats Time as "Container" Rather Than "Offsets"

#go #backend #opensource #performance

9 min read

Cover image for Stop Uploading Your Files: How I Built a 100% Client-Side Image Converter with React & Vite

Amine Ace

Jan 14

Stop Uploading Your Files: How I Built a 100% Client-Side Image Converter with React & Vite

#react #webdev #opensource #privacy

3 min read

Feb 18

Why I Wrote an AI Workflow Engine

#ai #rust #workflows #opensource

5 min read

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