Open-source alternatives to Envalid

This project is a high-performance Java library and content moderation framework designed to detect and mask prohibited words in text. It utilizes a Deterministic Finite Automaton (DFA) scanner to implement efficient longest-match word detection. The engine distinguishes itself through a text normalization pipeline and noise-filtering preprocessor that standardize character casing, scripts, and widths while removing interspersed special characters to prevent filter evasion. It supports dynamic dictionary management, allowing blacklists and allow-lists to be updated in the background without r

light-4j is a Java microservices framework designed for building scalable distributed systems. It provides a toolkit for developing cloud-native services with integrated support for service discovery, telemetry, and secure inter-service communication. The project includes a runtime OpenAPI request validator to ensure communication consistency by checking data against formal specifications. It also features an OAuth2 API security gateway for verifying identity tokens and managing credentials, alongside an event-sourcing messaging system for building command query responsibility segregation arc

NetExec is a framework for concurrent credential spraying and remote command execution across network protocols. It provides input sanitization and command parsing to reduce injection risks, a plugin-based protocol abstraction that dispatches credentials and commands uniformly regardless of transport, and session and token lifecycle management for long-running multi-command operations. Results from concurrent executions are collected and normalized through a result aggregation pipeline. The framework includes a concurrent job scheduler that manages worker threads for parallel execution across