Open-source alternatives to Go Workers

Concurrency limiting goroutine pool

gocron is a task scheduling library for Go designed to automate recurring tasks using crontab expressions, fixed durations, and specific calendar dates. It functions as a concurrent job manager and execution monitor that tracks task lifecycles and performance. The project provides distributed task scheduling through leader election and distributed locking to prevent duplicate job execution across multiple nodes. It further distinguishes itself with a concurrency management system that implements singleton constraints and global execution quotas to protect system resources. The scheduler cove

Celery Distributed Task Queue in Go

Asynq is a distributed background job processing framework for Go applications. It manages asynchronous task queues by offloading heavy operations to persistent storage, allowing the main application to remain responsive while background workers handle workloads. The system utilizes Redis to manage task state, concurrency, and message distribution across multiple worker instances. It employs atomic Lua scripting and sorted sets to ensure reliable job acquisition, precise scheduling of delayed tasks, and fault-tolerant processing through a two-stage acknowledgement flow. The framework support

A goroutine pool for Go

A cron-like and not-cron-like job distributed scheduler for Nest.js by decorators.

Event Emitter module for Nest framework (node.js) 🦋

Simplifies asynchronous and synchronous message handling with support for buses, handlers, channels, and consumers. Build scalable, decoupled applications with ease and reliability.

Queue manager for NestJS Framework for Redis (via bull package)

Ants is a goroutine pool library for Go that functions as a concurrent task orchestrator and resource consumption limiter. Its primary purpose is to manage and reuse a pool of goroutines to limit concurrency and reduce the memory allocation overhead associated with frequent thread creation. The system provides a runtime worker manager capable of adjusting pool capacity dynamically to respond to fluctuating workloads. To maintain stability, it includes panic recovery mechanisms that intercept runtime failures within worker threads to prevent a single failing task from crashing the entire appli

RxGo is a functional reactive programming library and an implementation of ReactiveX for the Go language. It serves as an asynchronous stream processing toolkit designed to coordinate event-based programs and data flows using the observable pattern. The library enables the construction of asynchronous processing pipelines that transform, filter, and combine event sequences. It distinguishes itself through the use of functional operators to compose these pipelines and provides mechanisms for managing concurrent execution. The toolkit covers a broad range of stream orchestration capabilities,

Machinery is a distributed task queue and asynchronous workflow engine. It provides a system for processing heavy workloads outside the main request flow using a network of distributed background workers and a message-based job orchestrator. The project manages complex task lifecycles through sequential chaining, where results are passed between tasks, and parallel coordination, which can trigger callback tasks upon the completion of a group. It supports periodic workflow scheduling for recurring jobs and delayed execution via specific timestamps. The system includes capabilities for result

This is a scheduling library for executing recurring tasks in Go applications using cron-style timing expressions. It provides a programmatic interface to trigger functions at specific intervals based on standard calendar patterns. The system manages periodic job execution by converting timing strings into rules that determine execution times. It uses a job interface to wrap custom logic, allowing for the automation of repetitive background tasks and data synchronization within a Go runtime.

A Distributed, Fault-Tolerant Cron-Style Job System.

conc is a Go concurrency library and structured concurrency framework providing primitives for managing parallel tasks, mapping slices, and collecting results. It implements a system for spawning scoped tasks to ensure all child processes complete before their parent exits. The library includes a goroutine pool manager to limit active concurrent processes and a panic-safe task runner that catches panics in goroutines and propagates stack traces to the parent. It also provides a concurrent map-reduce tool for transforming data slices and processing streams in parallel while maintaining the ori

🔘 Minimalistic and High-performance goroutine worker pool written in Go

Event handling with decorators for NestJS Framework