Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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Catch Bugs Before Your Customers Do
Real-time error alerts, performance insights, and anomaly detection across your full stack. Free 30-day trial.
Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
Java based generic scripting engine with dynamic language features. Syntax is also based on the Java language and works transparent with Java VM in that it locates classes on the fly and can also compile .java files in runtime.
Java-program to read, modify and execute class-files. a real java VM written in java or a decompiler for class-files is possible (and partially working)
Djarva - object language, compiler and virtual machine
Djarva is object language inspired by Ruby and Java languages. Djarva project includes Djarva language, Djarva language to Djarva bytecode compiler and Djarva virtual machine accepting Djarva bytecode. Whole solution is implemented in the Java language. Djarva compiler is based on JKIT (see http://homepages.ecs.vuw.ac.nz/~djp/jkit/).