Dockle

Secure Docker images with CIS‑compliant linting made simple

Docmost

Open-source collaborative wiki and documentation platform

Docsify

Magical documentation site generator from Markdown files

Documenso

Self‑hosted, trusted digital signing platform for any organization

Documize Community

Self-hosted knowledge management platform unifying internal and external documentation

DocuSeal

Self-hosted platform for creating, filling, and signing PDFs

Dokku

Docker-powered mini-Heroku for self-hosted application deployment

Dokploy

Self-hostable PaaS for effortless application and database deployment

Dolibarr

Modern ERP and CRM for organizations of any size

Donetick

Collaborative task and chore management with natural language scheduling

Dooit

Beautiful, customizable TUI todo manager for the terminal

draw.io

Configurable JavaScript diagramming and whiteboarding visualization application

Dropbase

AI-powered Python web app builder for internal tools

Drupal

Enterprise content management platform for ambitious digital experiences

Dub

Open-source link attribution platform for marketing teams

DuckDB

High-performance in-process analytical SQL database for fast queries

Dyad

Local, private AI app builder with zero lock-in

Easy!Appointments

Self-hosted appointment scheduler with Google Calendar sync

EasyTier

Decentralized, high-performance VPN built with Rust and Tokio

Eidos

Extensible offline-first personal data management powered by SQLite

ejabberd

Scalable real-time messaging platform with XMPP, MQTT, and SIP

ElasticMQ

Lightweight SQS‑compatible message queue for testing and development

Elasticsearch

Distributed search and analytics engine for production-scale workloads

Element

Matrix web client for secure, decentralized team communication