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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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Jun 17

Fixing AI Observability: How I Added GenAI Semantic Support for RAG Embedding Spans in Mastra

#ai #opensource #opentelemetry #observability

3 min read

Mariano Perez Baldasare

May 15

I built a tool that gives Claude Code eyes on videos — extract code from any tutorial

#opensource #claudecode #pgaichallenge #mcp

1 min read

leslysandra for Google Developer Experts

Jun 10

No Cloud, No Cost: Build an Offline Visual AI Agent with Gemma 4

#tutorial #ai #opensource #gemma

5 min read

ydd039

May 15

How I Earned $10 on GitHub Using AI Agents (Without Writing a Single Line of Complex Code)

#opensource #ai #github #productivity

3 min read

May 14

What System-First Architecture Actually Looks Like

#webdev #programming #opensource #architecture

3 min read

SalzDevs

May 14

Building a Forward Proxy in Go with Middleware and Auth

#go #opensource #security #networking

1 min read

Lizer

May 14

How I Built a 24/7 Autonomous AI Developer with Xiaomi MiMo v2.5-pro

#ai #opensource #xiaomi #mimo

4 min read

fatkobra

May 14

I built an open-source OpsGenie alternative with AI-assisted incident response

#showdev #ai #devops #opensource

1 min read

SM Shahbaj

May 14

I built a free AI-powered Linktree alternative that generates your page algorithmically — Xefna

#showdev #webdev #opensource #startup

2 min read

Akshay

May 28

KAlertDialog and KAlertFlutter Now Support WebView Dialogs for Android and Flutter Apps

#android #flutter #opensource #webview

5 min read

Obelisk PN

May 14

Building a DPI-Resistant VPN with VLESS REALITY & Nginx (Open Source)

#showdev #networking #opensource #security

3 min read

May 14

The Empty Quadrant: Mapping the Design Space of Frontend PDF Extraction

#javascript #pdf #architecture #opensource

10 min read

devleo

May 16

Introducing React AI Stream: Unlock the Power of AI in Your Applications

#showdev #ai #opensource #react

1 min read

Amon

Jun 17

Building a Polymarket Trading Bot for Copy Trading & Wallet Analytics

#tutorial #opensource #architecture #blockchain

3 min read

Zaiq for Zaiq

Jun 6

How we built a gate-accurate Game Boy emulator in Rust (and got dmg-acid2 pixel-perfect)

#showdev #gamedev #opensource #rust

3 min read

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