Scheduling GitHub Repositories (2026) · Open Source Tools

Task scheduling library for Python

Cross-platform desktop automation app with macro recording, playback, scheduling, text expansion, CLI tools, and Wayland/X11-aware Linux support.

An open-source alternative to Buffer, Typefully, and Hootsuite. Write once and schedule everywhere.

Media asset management and broadcast automation system

ProjectCraft: an open-source, clean-room project scheduling program (Microsoft Project-style) in pure Rust

Open-source, self-hostable social media management platform. Schedule, publish, and manage content across 10+ platforms from a single dashboard. Free alternative to Buffer, Sendible, and SocialPilot.

A modern, open-source Full Calendar alternative for React. Month, week, day, and year views with drag-and-drop, horizontal and vertical resource views, and RFC 5545 recurring events — all MIT licensed.

Invite others to grab times on your calendar. Choose a date. Make appointments as easy as it gets.

Fast and small Node.js worker_threads and cluster worker pool

Cylc: a general purpose workflow engine with a gift for cycling

A toolkit for discovering cluster network topology.

Open-source, AI-native social media management, design & scheduling platform for 45+ channels. BYOK AI across 30+ providers with governance guardrails & spend caps, AI Designer + 46 media tools, persisted analytics, cross-channel comment inbox, campaigns, RBAC teams, public API & SDK. Self-hosted: Next.js + NestJS + PostgreSQL, jobs on Inngest.

Human-readable recurrence expressions for .NET – easier than Cron!

PlanDev - A software framework for modeling spacecraft.

Lean, self-hostable Calendly & Cal.com alternative — a single Go binary + SQLite, API-first and MCP-native. Apache-2.0.

A local-first AI desktop planning assistant that turns goals into executable time.

Quartz Enterprise Scheduler .NET

A Java library for parsing and building iCalendar data models