Abstract API
↗A practical API suite for IP, email, phone and other validation tasks.
FreemiumNo card
Free API keys with product-specific monthly quotas; common APIs include limited requests for testing.
APIs & automation
8 tools
Inngest
↗Durable execution for event-driven workflows, background jobs and AI agents
FreemiumNo cardOSS
Hobby at $0/mo: 50k executions/month, 5 concurrent, 500 MB span data, 10K scores, 500K events, 100K queue depth, 50 realtime connections. Pro from $99/mo. No card required.
Make
↗Visual workflow automation for connecting apps, APIs and business processes
FreemiumNo card
Free plan: 1,000 credits/month, 2 active scenarios, 15-min minimum interval, 5-min execution limit, 5 MB files. No credit card. Paid Core from $9/month for 10,000 credits.
n8n
↗Open-source workflow automation platform to connect apps and build automations visually.
FreemiumNo cardOSS
Free self-hosted community edition with unlimited workflows. Cloud free tier with 5 active workflows.
Pipedream
↗Connect APIs and run event-driven workflows with code when you need it.
FreemiumNo card
100 workflow credits/month, 3 active workflows and unlimited testing in the builder.
Temporal
↗Durable execution platform for reliable workflows and long-running applications
FreeNo cardOSS
Self-hosted free with no Temporal license fee. Cloud: $1,000 in credits for 90 days. Essentials from $100/month with 1M Actions, 1 GB active and 40 GB retained storage.
Trigger.dev
↗Durable background jobs and AI workflows in TypeScript
FreemiumNo cardOSS
$0/month Free plan with $5 monthly usage credits, unlimited tasks, 5 members, 10 schedules, 1-day log retention and query lookback, 10 concurrent Realtime connections.
Zapier
↗Connect your apps and automate repetitive work with a visual builder
FreemiumNo card
Free plan: 100 tasks/month, unlimited Zaps, two-step Zaps and 15-minute polling. Professional: $19.99/month billed annually for 750 tasks, or $29.99/month billed monthly.
ABOUT US
Curated tools, honestly reviewed.
Every tool in this category has been manually reviewed. Pricing, free tier limits and card requirements are checked before listing.
FAQ
Questions, answered.
Are these the best tools in this category?＋
They're the ones we'd actually use. We prioritize tools with a clear use case, a working free tier, and honest pricing, not the most popular or most marketed.
How do I filter by free tools only?＋
Use the pricing filter in the sidebar. Select Free or Freemium to narrow the list. Each card also shows whether a card is required.