OpenAltFinder

Open Source #scheduler Projects

Discover open source software tagged with scheduler.

Kestra

Kestra

Event-driven workflow orchestration platform with a YAML-based pipeline DSL, 500+ plugins, and a built-in UI editor.

Alternative to:
ZapierZapier
Postiz

Postiz

Open-source social media scheduler with AI assistance, cross-platform posting, and team collaboration — self-hostable alternative to Buffer and Hootsuite.

Alternative to:
BufferBuffer
calrs

calrs

A fast, self-hostable scheduling platform written in Rust, like Cal.com but without Node.js or a database server.

Alternative to:
Cal.comCal.com
AI-assisted
Trigger.dev

Trigger.dev

Open-source platform for building and deploying reliable background jobs, scheduled tasks, and AI workflows in TypeScript.

Alternative to:
ZapierZapier
Chronex

Chronex

Self-hostable social media scheduler for content creators and small teams with distributed job processing.

Alternative to:
BufferBuffer
Apache Airflow

Apache Airflow

Apache Airflow is a platform to programmatically author, schedule, and monitor complex workflows. Build pipelines as code and orchestrate your data jobs with rich observability.

Alternative to:
ZapierZapier
Cal.com

Cal.com

Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.

Alternative to:
CalendlyCalendly
cronstable

cronstable

Container-friendly, leader-electing, fault-tolerant cron replacement with a built-in web dashboard, DAG orchestration, and durable state.

Alternative to:
RundeckRundeck
AI-assisted
Huginn

Huginn

Self-hosted automation platform for building agents that monitor and act on your behalf — a hackable, open source alternative to IFTTT and Zapier.

Alternative to:
IFTTTIFTTT
OpenPost

OpenPost

Open-source social media manager for writing, designing, scheduling, and tracking posts — an alternative to Buffer, Canva, and CapCut.

Alternative to:
BufferBuffer