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.
+1,723 stars
from 4,289 · score 7.45
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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
+241 stars
from 16,667 · score 5.49
3.frappe / gantt
Open Source Javascript Gantt
+4 stars
from 6,153 · score 1.61
4.svar-widgets / gantt
Svelte Gantt chart component – lightweight, customizable, interactive, and fast.
+1 stars
from 260 · score 0.69