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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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May 13

Fourteen free engineering ebooks on sovereign AI

#ai #security #opensource #cryptography

3 min read

Pheem49

May 13

I built an AI Agent that lives directly in your CLI and Desktop

#ai #cli #node #opensource

3 min read

Andrea Debernardi

May 13

The database has to be a defensive boundary again

#programming #opensource #database #mcp

3 min read

Shayan

May 13

OpenFields can be the new go-to ACF Plugin for WP ( 2026 )

#wordpress #php #webdev #opensource

3 min read

CodeKing

May 13

"My README Kept Trying to Be the Whole Product Manual. So I Split It Into 3 Layers"

#webdev #javascript #opensource #ai

5 min read

wiesiek karpinskoi

May 13

I built DeFi contracts as portable, sealed .js files — no blockchain require

#javascript #node #defi #opensource

2 min read

Cover image for Automated Post-Mortem Generation: The Complete Guide for SRE Teams (2026)

Siddharth Singh

May 13

Automated Post-Mortem Generation: The Complete Guide for SRE Teams (2026)

#ai #sre #devops #opensource

11 min read

Cover image for AI-Powered Incident Investigation: The Complete Guide for SRE Teams (2026)

Siddharth Singh

May 13

AI-Powered Incident Investigation: The Complete Guide for SRE Teams (2026)

#ai #sre #devops #opensource

12 min read

silenzzz

May 13

I built a Spring Boot starter that exposes a REST API for your @Scheduled methods

#springboot #java #programming #opensource

1 min read

May 13

The problem I kept running into

#productivity #tooling #webdev #opensource

2 min read

Cover image for CLI Backup and Restore: Safeguard Your Self-Hosted AI Agent Wallet

Wallet Guy

May 13

CLI Backup and Restore: Safeguard Your Self-Hosted AI Agent Wallet

#selfhosted #opensource #security #ai

5 min read

Cover image for I Built an OS Permits Calculator to Simplify Oversize Load Planning

Steve Lawerance

May 13

I Built an OS Permits Calculator to Simplify Oversize Load Planning

#opensource #wordpress #php

2 min read

Cover image for Managing Active Directory from Anything via Web: Why I Built an Open-Source Tool with Spring Boot and Vaadin

May 13

Managing Active Directory from Anything via Web: Why I Built an Open-Source Tool with Spring Boot and Vaadin

#opensource #vaadin #java #springboot

2 min read

May 12

I Built a Private AI Assistant That Runs 100% Locally — No Cloud, No Subscriptions

#opensource #ai #node #privacy

3 min read

Cover image for ⚡ Flash512-Vanguard: Military-Grade Encryption for Python (AES-256-GCM + Argon2id + SecureBuffer)

Ben Falik

May 13

⚡ Flash512-Vanguard: Military-Grade Encryption for Python (AES-256-GCM + Argon2id + SecureBuffer)

#python #security #cryptography #opensource

2 min read

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