makeplane
🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
opf
OpenProject is the leading open source project management software.
Leantime
Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.
mark-when
Make a cascading timeline from markdown-like text. Supports simple American/European date styles, ISO8601, images, links, locations, and more.
DHTMLX
GPL version of Javascript Gantt Chart
lxerxa
An issue tracking tool based on laravel+reactjs for small and medium-sized enterprises, open-source and free, similar to Jira.