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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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Feb 27

json-canon: A Strict RFC 8785 Implementation in Go for Deterministic JSON

#go #json #cryptography #opensource

5 min read

Wes

Feb 27

I Read 9,000 Lines of a Stranger's Mergetool

#opensource #git #go #tooling

5 min read

Cover image for The Offline-First Struggle: How I Built a Robust Sync Engine for Flutter (SynapseLink)

Jan 24

The Offline-First Struggle: How I Built a Robust Sync Engine for Flutter (SynapseLink)

#flutter #dart #opensource #architecture

1 min read

Jan 24

Why I stopped pasting API keys into random online converters (so I built a local one)

#typescript #react #webdev #opensource

2 min read

Cover image for OpenDocs: Turn Any GitHub Repository into Documentation, Diagrams, and Presentations Automatically

Joshua Nishanth

Feb 27

OpenDocs: Turn Any GitHub Repository into Documentation, Diagrams, and Presentations Automatically

#opensource #aiops #ai

2 min read

Juan Isidoro García Cifuentes

Feb 27

Open Source Licenses: Which One Should You Pick? MIT, GPL, Apache, AGPL and More (2026 Guide)

#opensource #licensing #beginners #webdev

20 min read

Cover image for I Was Mid-Setup When I Built the Skill That Finished Setting It Up

Jan 25

I Was Mid-Setup When I Built the Skill That Finished Setting It Up

#ai #mobile #opensource #tutorial

7 min read

Dor Amir

Feb 27

How I Cut My LLM Costs 60% With a Local Router (Open Source)

#ai #llm #opensource #devops

2 min read

sqblg

Feb 27

OpenClaw with Local Models: Why It Loops and How to Fix It with Hybrid Routing

#ai #automation #opensource #productivity

2 min read

Cover image for Building AI Agent With Multiple AI Model Providers Using an LLM Gateway (OpenAI, Anthropic, Gemini & Bifrost)

Bonnie for CrossPostr

Feb 24

Building AI Agent With Multiple AI Model Providers Using an LLM Gateway (OpenAI, Anthropic, Gemini & Bifrost)

#webdev #opensource #programming #tutorial

10 min read

Dmitry Labintcev

Feb 26

Qwen 3.5-Plus God Mode: 5-Stage Safety Bypass — Full Attack Chain

#ai #opensource #security

1 min read

Jan 24

Why I Built a Free URL Shortener And Gave Everything Away

#showdev #webdev #opensource #productivity

2 min read

Cover image for how it feels when simple code yields impressive results?

FSCSS

Feb 26

how it feels when simple code yields impressive results?

#javascript #opensource #webdev #fscss

1 min read

Cover image for I Built a Free Directory of 450+ Open-Source SaaS Alternatives (with Docker Configs)

AltStack

Feb 27

I Built a Free Directory of 450+ Open-Source SaaS Alternatives (with Docker Configs)

#showdev #docker #opensource #resources

1 min read

Cover image for Real-Time Polymarket Crypto Trading Dashboard: Build Your Edge with Python, Binance Order Flow, and Multi-Timeframe Analysis

xNiNex

Feb 27

Real-Time Polymarket Crypto Trading Dashboard: Build Your Edge with Python, Binance Order Flow, and Multi-Timeframe Analysis

#python #cryptocurrency #trading #opensource

4 min read

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