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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 I Built a $150k AI Sales Acceleration Platform with AWS + Salesforce and Open-Sourced the Entire Thing

MW

Nov 20 '25

I Built a $150k AI Sales Acceleration Platform with AWS + Salesforce and Open-Sourced the Entire Thing

#aws #salesforce #ai #opensource

1 min read

Kyle Homen

Nov 18 '25

Continuing with ShooterCarnival

#godotengine #gdscript #opensource

2 min read

yd-shomer

Dec 23 '25

Introducing YD Shomer (י שומר) - Runtime SQL Guardian for PHP

#php #security #opensource #webdev

1 min read

Diego

Nov 19 '25

I got tired of writing .cursorrules manually for every project, so I built a visual generator (Free & Open)

#opensource #tooling #ai #productivity

1 min read

Cover image for TimeProofs v0.1 — A Free, Privacy-First Timestamp API for Developers (Public Beta)

BACOUL

Nov 21 '25

TimeProofs v0.1 — A Free, Privacy-First Timestamp API for Developers (Public Beta)

#webdev #ai #opensource #security

3 min read

Cover image for When Tokyo Moves Bitcoin: Building Your Macro Volatility Early-Warning System with Open-Source AI

Jaden

Dec 23 '25

When Tokyo Moves Bitcoin: Building Your Macro Volatility Early-Warning System with Open-Source AI

#ai #machinelearning #fintech #opensource

4 min read

Cover image for Mastering Iranian Data Validation in Zod: From Regex to Enterprise Metadata

Reza Kheradmandi

Dec 23 '25

Mastering Iranian Data Validation in Zod: From Regex to Enterprise Metadata

#typescript #react #opensource #javascript

2 min read

Cover image for I built a custom range slider for Retool with a histogram built in

Ghofrane Baaziz

Nov 24 '25

I built a custom range slider for Retool with a histogram built in

#javascript #typescript #opensource #lowcode

3 min read

Cover image for 6 Open-Source No-Code & Low-Code Tools for Software Agencies

NocoBase

Dec 23 '25

6 Open-Source No-Code & Low-Code Tools for Software Agencies

#opensource #lowcode #nocode #ai

14 min read

MapNav_Dev

Nov 18 '25

Warum OpenStreetMap nicht nur eine Karte, sondern eine Bewegung ist, der man beitreten sollte

#openstreetmap #gis #opensource #geodata

3 min read

Cover image for Looking for feedback on a small side project I’ve been building

Dinesh Dawonauth

Dec 22 '25

Looking for feedback on a small side project I’ve been building

#python #opensource #cli

1 min read

Cover image for Data Science Meets Wine: Predicting Wine Quality & Recommending Wines Using Machine Learning

Youssef Bellouz

Dec 23 '25

Data Science Meets Wine: Predicting Wine Quality & Recommending Wines Using Machine Learning

#programming #ai #python #opensource

3 min read

Dec 22 '25

Are we living in simulated world?INVU hypothesis

#ai #webdev #programming #opensource

2 min read

Jieke Pan

Nov 18 '25

Adaptive Anti-Corruption Layer (AACL)

#llm #agents #aacl #opensource

1 min read

Nov 20 '25

Project Structure in Umami codebase - Part 1.3

#umami #architecture #opensource #projectstructure

2 min read

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