AppSignal starts at $23/month with all features included. No overages, no hidden fees. 30-day free trial.
Tired of monitoring tools that punish you for scaling? AppSignal offers transparent, predictable pricing with every feature unlocked on every plan. Track errors, monitor performance, detect anomalies, and manage logs across Ruby, Python, Node.js, and more. Trusted by developers since 2012 with free dev-to-dev support. No credit card required to start your 30-day trial.
Try AppSignal Free
Go From Idea to Deployed AI App Fast
One platform to build, fine-tune, and deploy. No MLOps team required.
Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
Simple Workflow is a free workflow engine written in Java.
...Properties:
- Simple to use (need to call only 2 methods and implement 1 interface)
- Written in Java 7
- Uses a simple domain language to describe workflows
- Can be used with any storage backend (Sql, NoSql, File, etc.)
- Can be used with any frontend
- High level of backend/frontend abstraction