List of free cron stuff for developerππ½
If you're looking for all programming tools around cron (not just free). Check this page List of cron Programming Tools

Execution up to 60x an hour Status notifications Execution history

For hobby plan: 2 cron jobs Triggered once a day

500 online cron jobs execution / month
Github Action
GitHub Actions makes it easy to automate all your software workflows, now with world-class CI-CD. Build, test, and deploy your code right from GitHub
Tag: CI-CD, serverless, cron
Free 2,000 minutes per month
FastCron
Set cron jobs easily, know when your cron jobs are executed, get email notifications, Slack messages, or webhooks.
Tag: cron
300 cronjob executions a day 3 recurring cronjobs / 300 one-time cronjobs Cron timeout 60 seconds View last 10 execution results

Beew
Schedule and monitor one-time and recurring HTTP calls to your website or API. Beew was created for developers that don't want to manage hundreds of Cron tasks.
Tag: api, cron, task, scheduling
Up to 2 schedulers 15 requests per month Limited storage for log Failure notification Execution priority Recurring executions Specific date and time execution Reliable task execution 24-hour support response time
ServerlessQ - The serverless Messaging Queue
The Message Queue for the Serverless Era
Tag: queue, cron, background-task
1,000 Requests / month FREE

Ctfreak
An on-premise task scheduler. Say goodbye to cron and maintain, schedule and run all your tasks from one place.
Tag: cron, scheduling, automation, task, ssh, shell script, webhook, chart report, sql
Single Sign-On Unlimited nodes Unlimited databases Unlimited webhooks Unlimited notifiers Unlimited executions Up to 3 users Up to 15 tasks (incl. 2 SQL reports) Sequential task executions

EasyCron
EasyCron provides the most stable online cron service. Here you can schedule cron jobs with execution logs, email notifications, webhooks, run time predictions and a bunch of other featuers.
Tag: cron
5 sec timeout 20 min interval 10 logs and predictions 200 Execution/day