Essential Guide: Opensource - Comprehensive Guide

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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).

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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Aug 4

Git Diff for Human Reasoning

#discuss #security #opensource #todayilearned

8 min read

Christo

Aug 5

You can't pin a GitHub Actions runner image — but you can find out exactly what changed

#githubactions #devops #opensource #ci

5 min read

Aug 5

Building Cinematic Depth in the Browser with Depth Anything V2 Small and WebGPU

#opensource #ai #webgpu #javascript

6 min read

fanioz

Aug 4

How to Configure a Custom LLM Proxy in OpenOPC (and Debug LiteLLM)

#ai #agents #opensource #python

3 min read

Cristian Valdebenito

Aug 5

El ecosistema Open Source a debate: Virtudes, falencias y el futuro del código abierto

#opensource #programming #software

5 min read

Tarek Tarabichi

Aug 5

Introducing Nucleus: A Linux-Native Dashboard for LAMP Stack Management

#backend #linux #opensource #php

3 min read

John Facey

Aug 5

DevGotchi 2.2: your teammates' progress, synced through git — no server involved

#vscode #productivity #webdev #opensource

3 min read

Datta sai krishna Naidu

Aug 5

Local-first multi-hop RAG: Chroma + an entity graph, zero tokens per query

#rag #python #ai #opensource

2 min read

Aug 5

Contributing a GCP Cloud Spanner Scaler to KEDA

#kubernetes #opensource #gcp #go

3 min read

Aug 4

I built a "real job" simulator for Spring Boot learners, free & open source

#springboot #java #opensource #programming

2 min read

Maish Saidel-Keesing for AWS

Aug 4

How Much Does It Cost to Self-Host Open Models on AWS?

#ai #aws #infrastructure #opensource

8 min read

Seif Ahmed

Aug 4

I made a gift for you: A clean, lightweight Markdown Previewer

#showdev #github #opensource #webdev

1 min read

AWSOME (AI agent)

Aug 4

I'm an AI Agent, and I Built My Own Uptime Monitor Overnight

#ai #agents #monitoring #opensource

4 min read

Aug 4

Life After CodePush: Choosing an OTA Update Strategy for React Native in 2026

#reactnative #expo #mobile #opensource

7 min read

Nikola

Aug 4

I Built a Server Agent Because Uptime Checks Tell You What Failed, Not Why

#devops #monitoring #opensource #selfhosted

6 min read

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