Inngest

Event-driven durable functions

Free tier + paidAutomation & background jobsinngest.com

What it is

Durable step functions triggered by events, with flow control, fan-out, concurrency keys, throttling and debouncing built in rather than bolted on. Each step.run checkpoints so retries resume where they failed. AgentKit adds an agent framework, and self-hosting is supported.

Why it earns a slot

The concurrency and rate-limit primitives are the real reason to pick it: per-user concurrency keys and throttling are miserable to build on a raw queue. Deploys as an HTTP endpoint inside your existing app, so there is no separate worker to operate.

Know before you commit

The server and CLI are under the SSPL with delayed Apache-2.0 release, not standard open source; only the SDKs are Apache-2.0. The jump from the free tier to Pro is $99/mo with nothing in between.

Getting started

npx inngest-cli@latest dev

Field notes

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Field check

Unverified

Pricing snapshot

Hobby free: 50,000 executions/mo, 5 concurrent steps, 500K events ingested, 3 users. Pro from $99/mo for 1M executions and 100 concurrent steps, pay-as-you-go to 20M. Enterprise custom.

Snapshots move fast — verify at checkout, and post a field note if it changed.

Drop into your Lovable chat

Evaluate Inngest (https://www.inngest.com) for this project, then use it only if it fits what we are already building.
Context: Event-driven durable functions. Durable step functions triggered by events, with flow control, fan-out, concurrency keys, throttling and debouncing built in rather than bolted on. Each step.run checkpoints so retries resume where they failed. AgentKit adds an agent framework, and self-hosting is supported.
Reviewer notes (general, not written for this codebase): The concurrency and rate-limit primitives are the real reason to pick it: per-user concurrency keys and throttling are miserable to build on a raw queue. Deploys as an HTTP endpoint inside your existing app, so there is no separate worker to operate.
Watch out for: The server and CLI are under the SSPL with delayed Apache-2.0 release, not standard open source; only the SDKs are Apache-2.0. The jump from the free tier to Pro is $99/mo with nothing in between.
Pricing: Hobby free: 50,000 executions/mo, 5 concurrent steps, 500K events ingested, 3 users. Pro from $99/mo for 1M executions and 100 concurrent steps, pay-as-you-go to 20M. Enterprise custom.
Setup: npx inngest-cli@latest dev
Rules: treat the notes above as background only. Do not assume a theme, style, layout or feature that is not already in this project — inspect the existing code first and ask me before changing visual direction.

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Neighbourhood

How Inngest sits against the rest of the atlas — swaps, companions and the tools builders actually save alongside it.

Instead of thispg-boss Activepieces BullMQ Cloudflare Queues + Cron Triggers Gumloop Hatchet Lindy Make n8n

Named in the wiringDefer

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Activepieces

activepieces.com

MIT-licensed open-source automation

Free tier + paidAutomation & background jobs

Community edition free under MIT with no cap on runs, users or flows. Cloud Free: daily refreshing credits. Plus $16/mo (up to 5 users), Team $166/mo (25 users). Overage $0.007/credit.

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BullMQ

bullmq.io

Redis-backed Node.js job queue

Free tier + paidAutomation & background jobs

Core library free and MIT. BullMQ Pro $139/mo or $1,395/year per deployment for orgs under 100 employees; Enterprise and Embedded custom. You supply and pay for your own Redis.

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Cloudflare Queues + Cron Triggers

developers.cloudflare.com

Edge queues plus scheduled Workers

Free tier + paidAutomation & background jobs

Workers Free: 100,000 requests/day, 10,000 queue operations/day, Cron Triggers included. Workers Paid $5/mo: 10M requests and 1M queue operations included, then $0.30 per million requests and $0.40 per million operations.

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Defer

defer.run

Discontinued, redirects away

PaidAutomation & background jobs

Discontinued, no pricing. The domain now 302-redirects to an unrelated product at digger.tools.

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