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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 Elasticsearch: 15 years of indexing it all, finding what matters

Philipp Krenn for Elastic

Sep 5

Elasticsearch: 15 years of indexing it all, finding what matters

#elasticsearch #kibana #opensource

5 min read

Azhan J.

Aug 2

How AI-Powered Project Management Tools with Client Portals Made Me Actually Enjoy Client Work

#opensource #projectmanagement #clientsuccess

2 min read

Cover image for OneTerm: The Open-Source Bastion Host I Refactored in Three Months

Leo Song

Sep 4

OneTerm: The Open-Source Bastion Host I Refactored in Three Months

#opensource #devops #aws #security

3 min read

IMprojtech

Aug 2

I built NotaMy: a simple, terminal-based note manager in C for Linux

#opensource #linux #terminal #c

2 min read

Cover image for CodeBoarding: Interactive Diagrams of Code

brovatten

Aug 2

CodeBoarding: Interactive Diagrams of Code

#ai #python #programming #opensource

2 min read

Cover image for Mastering DOM Performance & Security

Aug 2

Mastering DOM Performance & Security

#webdev #programming #html #opensource

1 min read

Aug 2

Build a Professional Harvard-Style Academic CV with This Open Source Jekyll Theme

#jekyll #opensource #github #webdev

1 min read

Pavel

Sep 2

I Built a Deep Learning Framework in Rust from Scratch. Here’s How It Works.

#rust #opensource #deeplearning #machinelearning

3 min read

Cover image for Set up your own personal AI Stack: Longform Version

Jay

Sep 4

Set up your own personal AI Stack: Longform Version

#showdev #ai #opensource #linux

13 min read

Anderson Yu-Hong Cai

Sep 5

Starting My Open Source Journey

#opensource #senecaosd600 #programming #beginners

3 min read

Irfan Ludvi Astanto

Aug 2

Earl bahasa pemrograman favoritku

#earl #programming #opensource #devjournal

1 min read

Aug 1

The System You Cannot Install: Dismantling Reality from Code That Was Never Written

#linux #privacy #selfhosted #opensource

2 min read

Bob Singor

Aug 15

How I Got to #1 on HN (Hacker News) and 500+ ⭐️ GitHub Stars in 24 Hours

#showdev #opensource #github

3 min read

Nguyen Phuc Hai

Sep 4

Inside Askimo: My Daily Journey with an AI CLI

#cli #ai #opensource #openai

3 min read

Cover image for Announcing Project Antalya – Infinitely Scalable ClickHouse® Query on 10x Cheaper Iceberg Storage

Altinity

Sep 4

Announcing Project Antalya – Infinitely Scalable ClickHouse® Query on 10x Cheaper Iceberg Storage

#database #iceberg #opensource #clickhouse

10 min read

Sep 4

Apache Arrow dev list digest (Aug 25–29 2025)

#database #dataengineering #datascience #opensource

4 min read

Aug 1

Building MCP one: A Unified Hub for Model Context Protocol Servers

#ai #mcp #opensource #python

5 min read

Cover image for Unlocking the Future: Building Conversational AI Agents with Persistent Memory

Jayant Harilela

Aug 1

Unlocking the Future: Building Conversational AI Agents with Persistent Memory

#cognee #aiagents #frameworks #opensource

15 min read

Agustin V. Startari

Aug 1

How Legal Language Loses Responsibility When It Becomes Executable

#discuss #ai #react #opensource

3 min read

Cover image for Why I Built Sounds Social with Meteor.js, React, Tailwind & Bytescale

Matteo De Micheli

Aug 2

Why I Built Sounds Social with Meteor.js, React, Tailwind & Bytescale

#javascript #react #meteor #opensource

3 min read

Cover image for How to create AWS Serverless Valkey via OpenTofu

kvendingoldo for AWS Community Builders

Aug 1

How to create AWS Serverless Valkey via OpenTofu

#elasticache #opensource #opentofu #terraform

8 min read

Cover image for Why I’m Building Cloak UI — The Pain of UI Vendor Lock-In 🚀

Aug 15

Why I’m Building Cloak UI — The Pain of UI Vendor Lock-In 🚀

#designsystems #ui #frontend #opensource

3 min read

Sep 4

GNU openVBS - VBScript,Reborn

#programming #python #opensource #automation

5 min read

Cover image for OpenAI Releases GPT-OSS: What It Means for AI Developers and Agent Builders

Aug 5

OpenAI Releases GPT-OSS: What It Means for AI Developers and Agent Builders

#openai #opensource #ai #programming

3 min read

Sep 4

IMake: Bringing Builds Back to Makefile’s Essence — An Unprecedentedly Simple Experience

#linux #opensource #devops #programming

5 min read

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