1.AhmadHassan-BTed / Jantt
The AI-native JSON Gantt chart engine. Dependency-free interactive timelines with React, script-tag, CLI, topological DAG solver, and formal JSON schema.
+6,179 stars
from 132 · score 8.73
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2.opf / openproject
OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐ Star us on GitHub
+638 stars
from 16,270 · score 6.46
3.frappe / gantt
Open Source Javascript Gantt
+25 stars
from 6,132 · score 3.26
4.svar-widgets / gantt
Svelte Gantt chart component – lightweight, customizable, interactive, and fast.
+2 stars
from 259 · score 1.10