Quick comparison # App Pricing Verified price Open source Platforms Verified facts Score 1 InngestOpen source $99/month (Pro) No Web, Self-hosted 4 of 4 68.8 2 TemporalOpen source $50 per million actions No Web, Self-hosted 5 of 5 64.8 3 PrefectOpen source $100/month Yes Web, Linux, macOS +2 5 of 5 61.8 4 Apache AirflowOpen source — Yes Linux, Self-hosted, Web 5 of 5 59.4 5 WindmillOpen source — Yes Web, Self-hosted 4 of 4 50.0
1 Best for: Web and serverless teams that want reliable multi-step background functions without managing queues
Open source Web, Self-hosted
Why switch from Trigger.dev
Similar durable step functions for TypeScript and Python, triggered by events and run on your own endpoints.
Pros Runs functions on your existing serverless or server deployment Built-in concurrency, throttling and rate-limit controls per function Free tier with a sizeable monthly execution allowance Can be self-hostedCons Paid plans jump to a three-figure monthly base price Execution-based pricing can climb quickly for step-heavy workflows Fewer SDK languages than TemporalHow this score is calculated Editorial fit ×0.3 100
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
2 Best for: Engineering teams building business-critical, long-running processes in several languages
Open source Web, Self-hosted
Why switch from Trigger.dev
Mature durable execution engine with SDKs in many languages, for teams that outgrow TypeScript-only tooling.
Pros MIT-licensed server you can run anywhere Official SDKs for eight languages Handles retries, timers and long waits without custom state machines Detailed per-workflow event history for debuggingCons Steep learning curve, including rules about deterministic workflow code You still run and scale your own worker processes Self-hosting the cluster and its database is a significant ops jobHow this score is calculated Editorial fit ×0.3 87
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
Verified facts 5 of 5 verified Free credits $150 for 90 days Checked Nov 8, 2026temporal.io(opens source in a new tab) Starting price $50 per million actions Checked Nov 8, 2026temporal.io(opens source in a new tab) SDK languages Go, Java, Python, TypeScript, .NET, PHP, Ruby, Rust Checked Nov 8, 2026temporal.io(opens source in a new tab) 3 Best for: Python teams who want orchestration without rewriting code into a separate DAG framework
Open source Self-hostable Web, Linux, macOS, Windows, Self-hosted
Why switch from Trigger.dev
Python-first orchestration with a hosted control plane, better suited to data pipelines than app jobs.
Pros Plain Python with a decorator, little new to learn Free hosted Hobby tier and a self-hostable open source server Runs on your own compute, Kubernetes or serverlessCons Free cloud tier is limited to 2 users and 5 deployments Smaller integration ecosystem than Airflow Paid plans jump quickly from a flat fee to per-user pricingHow this score is calculated Editorial fit ×0.3 77
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
4 Best for: Data engineering teams that want a proven, free orchestrator with a huge integration ecosystem
Open source Self-hostable Linux, Self-hosted, Web
Why switch from Trigger.dev
The standard open-source scheduler for batch data pipelines if your jobs are mostly ETL.
Pros Free and open source with a very large community Pipelines are plain Python, so they can be generated dynamically Hundreds of ready-made operators for clouds and data tools Managed versions available from several cloud providersCons Running scheduler, workers and metadata database yourself takes real ops effort Local development and testing are clunkier than in newer tools like Prefect or Dagster No official hosted service from the Apache project itselfHow this score is calculated Editorial fit ×0.3 69
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
5 Best for: Engineering teams that want scripts, workflows and internal UIs in one self-hosted platform
Open source Self-hostable Web, Self-hosted
Why switch from Trigger.dev
Open-source and self-hostable runner for TypeScript and Python scripts, scheduled jobs and multi-step workflows with a built-in UI.
Pros Scripts, workflows and apps in one place Supports many languages including Python and TypeScript Free self-hosted edition with unlimited executionsCons Built for developers, not business users App builder is less polished than Retool's Enterprise features need a paid licenceHow this score is calculated Editorial fit ×0.3 38
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula