Free Temporal alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 5 Temporal alternatives we track can be used for free (free, open source, or with a free plan). Inngest, Trigger.dev and Apache Airflow rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	Inngest	Open source	$99/month (Pro)	No	Web, Self-hosted	4 of 4	68.8
2	Trigger.dev	Open source	$10/month (Hobby)	No	Web, Self-hosted	5 of 5	64.8
3	Apache Airflow	Open source	—	Yes	Linux, Self-hosted, Web	5 of 5	61.8
4	Dagster	Open source	$10/month plus credits	Yes	Web, Linux, macOS +2	5 of 5	59.4
5	Prefect	Open source	$100/month	Yes	Web, Linux, macOS +2	5 of 5	57.5

1. InngestTop pick
Best for: Web and serverless teams that want reliable multi-step background functions without managing queues
Open sourceWeb, Self-hosted
68.8
score / 100
Why switch from Temporal
Lighter to adopt: event-driven step functions run on your existing serverless or server 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-hosted
Cons
Paid plans jump to a three-figure monthly base price
Execution-based pricing can climb quickly for step-heavy workflows
Fewer SDK languages than Temporal
Visit Inngest Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Inngest a good Temporal alternative?
Verified facts
4 of 4 verified
Free plan
50,000 executions/month
Checked Nov 8, 2026inngest.com(opens source in a new tab)
Starting price
$99/month (Pro)
Checked Nov 8, 2026inngest.com(opens source in a new tab)
Self-hosting
Yes
Checked Nov 8, 2026inngest.com(opens source in a new tab)
Maximum run length
30 days (Free) to 366 days (Business)
Checked Nov 8, 2026inngest.com(opens source in a new tab)
2. Trigger.dev
Best for: TypeScript and Next.js teams that want durable background jobs without running their own queue
Open sourceWeb, Self-hosted
64.8
score / 100
Why switch from Temporal
Managed workers and simpler setup for TypeScript teams who don't want to run worker fleets.
Pros
Tasks live in your repo as normal async TypeScript code
No run timeouts, and waiting runs are checkpointed so they don't use compute
Apache 2.0 licensed and self-hostable
Realtime progress updates to the frontend are built in
Cons
TypeScript-first; Python only runs via an extension inside TypeScript tasks
Usage-based compute billing makes costs harder to predict than a flat fee
Free plan has 1-day log retention
Visit Trigger.dev Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Trigger.dev a good Temporal alternative?
Verified facts
5 of 5 verified
Free plan
$5/month of credits
Checked Nov 8, 2026trigger.dev(opens source in a new tab)
Starting price
$10/month (Hobby)
Checked Nov 8, 2026trigger.dev(opens source in a new tab)
License
Apache-2.0
Checked Nov 8, 2026github.com(opens source in a new tab)
Self-hosting
Yes
Checked Nov 8, 2026trigger.dev(opens source in a new tab)
Maximum run length
No limit
Checked Nov 8, 2026trigger.dev(opens source in a new tab)
3. Apache Airflow
Best for: Data engineering teams that want a proven, free orchestrator with a huge integration ecosystem
Open sourceSelf-hostableLinux, Self-hosted, Web
61.8
score / 100
Why switch from Temporal
Better fit if your workflows are scheduled data pipelines rather than application logic.
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 providers
Cons
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 itself
Visit Apache Airflow Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Apache Airflow a good Temporal alternative?
Verified facts
5 of 5 verified
License
Apache-2.0
Checked Nov 1, 2026github.com(opens source in a new tab)
Pipeline language
Python
Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
Web UI
Yes
Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
Cloud integrations
GCP, AWS, Azure and more
Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
Maintainer
Apache Software Foundation
Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
4. Dagster
Best for: Data platform teams who want lineage, data quality and orchestration in one tool
Open sourceSelf-hostableWeb, Linux, macOS, Windows, Self-hosted
59.4
score / 100
Why switch from Temporal
Asset-centric orchestration for data teams who care more about lineage than durable app workflows.
Pros
Asset-based model makes lineage and freshness visible
Strong local development and testing workflow
Close dbt integration
Hybrid deployment keeps data in your own cloud
Cons
Asset-centric model takes time to learn if you think in tasks
Managed plans add usage-based credits on top of the monthly fee
No free hosted tier beyond the trial
Visit Dagster Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Dagster a good Temporal alternative?
Verified facts
5 of 5 verified
License
Apache-2.0
Checked Nov 8, 2026github.com(opens source in a new tab)
Solo plan
$10/month plus credits
Checked Nov 8, 2026dagster.io(opens source in a new tab)
Starter plan
$100/month plus credits
Checked Nov 8, 2026dagster.io(opens source in a new tab)
Free trial
30 days
Checked Nov 8, 2026dagster.io(opens source in a new tab)
Self-hosting
Yes
Checked Nov 8, 2026dagster.io(opens source in a new tab)
5. Prefect
Best for: Python teams who want orchestration without rewriting code into a separate DAG framework
Open sourceSelf-hostableWeb, Linux, macOS, Windows, Self-hosted
57.5
score / 100
Why switch from Temporal
Python-native flows with a hosted UI, easier for data engineers than Temporal's programming model.
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 serverless
Cons
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 pricing
Visit Prefect Details and reviews
How this score is calculated
Editorial fit ×0.363
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Prefect a good Temporal alternative?
Verified facts
5 of 5 verified
License
Apache-2.0
Checked Nov 2, 2026github.com(opens source in a new tab)
Free plan
Hobby, free forever
Checked Nov 8, 2026prefect.io(opens source in a new tab)
Free plan limits
2 users, 5 deployments
Checked Nov 8, 2026prefect.io(opens source in a new tab)
Starter plan
$100/month
Checked Nov 8, 2026prefect.io(opens source in a new tab)
Team plan
$100 per user/month
Checked Nov 8, 2026prefect.io(opens source in a new tab)

Quick comparison

1. InngestTop pick

Pros

Cons

Verified facts

2. Trigger.dev

Pros

Cons

Verified facts

3. Apache Airflow

Pros

Cons

Verified facts

4. Dagster

Pros

Cons

Verified facts

5. Prefect

Pros

Cons

Verified facts