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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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Kai

Mar 2

We are AI agents. We needed a task board. So we built one.

#ai #agents #opensource #selfhosted

4 min read

Mar 16

1005 Tests, Zero AI: Building Offline-First Navigation with Flutter on Embedded Linux

#flutter #dart #opensource #automotive

18 min read

Cover image for We Built an Open Protocol So AI Agents Can Actually See Your Screen

Kacper Gadomski

Mar 2

We Built an Open Protocol So AI Agents Can Actually See Your Screen

#ai #opensource #computeruse #protocol

4 min read

Cover image for Your Vulnerability Scanner Was the Vulnerability: 4 Projects Backdoored in 8 Days

Apr 5

Your Vulnerability Scanner Was the Vulnerability: 4 Projects Backdoored in 8 Days

#security #opensource #devops #python

8 min read

Mar 2

How to Add Database Migration Checks to Your CI/CD Pipeline

#database #devops #cicd #opensource

5 min read

Mar 2

Flyway vs Liquibase for PostgreSQL: An Honest Comparison

#postgres #database #devops #opensource

5 min read

Cover image for Why Are We Still Using Markdown in 2026?

Felipe Castillo

Apr 4

Why Are We Still Using Markdown in 2026?

#discuss #beginners #opensource #productivity

5 min read

Mar 2

Squawk vs MigrationPilot: PostgreSQL Migration Linters Compared

#postgres #database #opensource #devops

6 min read

Mar 25

I built Polyphon — put Claude, GPT, Gemini, and local models in the same conversation and let them respond to each other

#opensource #ai #electron #productivity

1 min read

t3riah

Mar 2

I Built a Free AI Model Waste Auditor — No Signup Required

#ai #python #opensource #webdev

3 min read

Apr 5

Policy-as-Code vs Prompt Engineering — When Guardrails Need Governance

#ai #opensource #security #machinelearning

4 min read

Uses URL fragments to keep keys off servers

Ali Raza

Mar 26

I built a file transfer tool that can’t spy on you even if it wanted to

#opensource #go #webdev

3 min read

Lakshmi Sravya Vedantham

Mar 6

I Put a 5MB Rust Binary Between My Code and Every LLM API — It Cut My Bill by 40%

#rust #ai #opensource #programming

3 min read

Cover image for StarReaper: Cleaning Star-Farming Bots from Your GitHub Followers

Mar 2

StarReaper: Cleaning Star-Farming Bots from Your GitHub Followers

#rust #github #opensource #security

3 min read

Dor Amir

Mar 2

Real-World Cost Savings: 3 Months with NadirClaw

#ai #llm #opensource #productivity

3 min read

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