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Go Tools

16 best Go tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new Go products launch.

ipatool logo
ipatool
Download iOS, iPadOS, and tvOS apps directly from the command line.
appleappstoreclicommand-line

ipatool is a command-line utility that enables developers and researchers to search for and download app packages (IPA files) from the official App Store. It solves the problem of needing to manually extract or acquire these packages for tasks like security research, compatibility testing, or archival purposes. This tool is primarily for security researchers, iOS developers, and archivists who require direct access to app binaries outside of a standard iOS device.

2026-08-30
93
router logo
router
Intelligent model routing that cuts AI costs by 40-70% with zero code changes.
agentic-codingai-gatewayanthropicclaude-code

Router is a model router for agentic systems that intelligently directs each prompt to the most cost-effective model capable of handling the task, typically in under 50ms. It solves the problem of overspending on expensive frontier models for simple coding prompts, allowing engineering teams to maintain quality while dramatically reducing token spend. It's designed for developers and organizations using AI coding assistants like Claude Code, Codex, and Cursor who want to optimize their AI infrastructure costs without changing their workflow.

2026-08-30
67
tailcat logo
tailcat
Netcat over Tailscale, without the control plane.
Go

Tailcat is a tool that provides netcat-like functionality directly over Tailscale's encrypted data plane, bypassing the need for its control plane. It solves the problem of needing simple, secure, point-to-point data transfer within a Tailscale network without the overhead or billing of the full platform. It's for developers, sysadmins, and homelab enthusiasts who are already using Tailscale and want a lightweight utility for scripting, debugging, or transferring data between nodes.

2026-08-28
93
go-modern-guidelines logo
go-modern-guidelines
Best practices for AI agents writing clean, idiomatic Go code.
ai-agentscoding-agentdeveloper-toolsgo

This repository provides a comprehensive set of guidelines and patterns to help AI coding assistants generate modern, production-ready Go code. It addresses the challenge of AI agents producing outdated or non-idiomatic Go syntax and patterns by offering clear standards. It is designed for developers, engineering teams, and AI tool creators who want to ensure AI-generated Go code aligns with current community best practices and style conventions.

2026-08-27
92
hister logo
hister
A private search engine for the content you choose.
browser-historygogolanghistory

Hister is a self-hosted search engine that indexes the full content of the web pages you visit and the files you keep. It solves the problem of losing useful information by creating a private, searchable memory of your digital content, putting you back in control of your data. It's for privacy-conscious individuals, researchers, and anyone who wants to reliably find information they've previously encountered without relying on external services.

2026-08-25
53
sub2api logo
sub2api
Unify AI subscriptions, share costs, and use native tools seamlessly.
2apiantigravity2apicc2apiclaude

Sub2API is an open-source relay service that consolidates access to multiple AI subscriptions like Claude, OpenAI, Gemini, and Grok into a single interface. It solves the problem of managing and paying for multiple expensive AI services individually by enabling cost-sharing through pooled subscriptions. This tool is designed for developers, teams, and cost-conscious users who want efficient, unified access to various AI models while leveraging native tool functionality and reducing per-user expenses.

2026-08-22
81
TypeScript logo
TypeScript
JavaScript that scales with type safety and better tooling.
javascriptlanguagetypecheckertypescript

TypeScript is a strongly typed superset of JavaScript that compiles to plain JavaScript. It solves the problem of writing reliable, maintainable code at scale by catching errors during development and providing superior editor tooling like autocompletion and refactoring. It's designed for JavaScript developers and teams building large-scale applications who want the flexibility of JavaScript with the safety and productivity of static types.

2026-08-22
91
caveman logo
caveman
The efficiency operating stack for AI—cut 65% of your AI costs automatically.
aianthropiccavemanclaude

Caveman is an AI efficiency platform that automatically optimizes your AI traffic to reduce token usage and costs by up to 65%. It works across Claude, ChatGPT, and Gemini by applying optimizations like caching, compression, and routing, then verifies the savings. It's designed for developers and enterprises looking to significantly lower their AI operational expenses without sacrificing output quality.

2026-08-20
85
substrate logo
substrate
The foundational system for building and orchestrating AI agents.
Go

Agent Substrate is the core system for creating, managing, and coordinating AI agents. It solves the problem of fragmented and difficult-to-integrate agent tooling by providing a unified, scalable foundation. It is designed for developers and teams building complex, multi-agent AI applications that require reliable orchestration and communication.

2026-08-20
76
ragflow logo
ragflow
The open-source RAG engine with integrated agent orchestration for enterprise AI.
agent-harnessagentic-aiagentic-retrievalagentic-search

RAGFlow is an open-source Retrieval-Augmented Generation engine that builds a superior context layer for AI agents. It solves the problem of unreliable AI outputs by combining high-precision hybrid search with a built-in data ingestion pipeline and unified agent orchestration. It is designed for enterprises across industries like finance, legal, and manufacturing that need to build accurate, context-aware AI applications and workflows.

2026-08-12
69
witr logo
witr
Trace any process, port, or file back to its source.
clicontainersdevopsdocker

witr is a CLI and TUI tool that lets you trace any process, port, container, or file back to what started it. It solves the problem of debugging mysterious system activity by visualizing the chain of events in a simulated or live environment. It's for developers and system administrators who need to understand complex system dependencies and troubleshoot issues like stuck processes or unknown listeners.

2026-08-07
50
grok2api logo
grok2api
Unified API gateway for managing multiple Grok AI accounts and services.
grokgrok-buildgrok-consolegrok-imagine

Grok2API is a multi-account API gateway that consolidates access to Grok Build, Grok Web, and Grok Console services. It solves the problem of fragmented authentication and complex management when using multiple Grok AI accounts or services simultaneously. This tool is designed for developers, teams, and organizations who need to programmatically interact with various Grok AI platforms through a single, streamlined interface.

2026-08-07
85
DeepSeek-Reasonix logo
DeepSeek-Reasonix
DeepSeek-native terminal agent that slashes AI coding costs via stable prefix caching.
agentagent-frameworkai-agentai-coding

Reasonix is a DeepSeek-native AI coding agent for your terminal, engineered to drastically reduce costs in long development sessions. It solves the problem of paying full price for repetitive prompt context by maintaining a byte-stable prefix that achieves 90%+ cache hits with DeepSeek's infrastructure, collapsing input token costs to roughly one-fifth. It's built for developers who want a persistent, cost-effective AI assistant directly in their CLI/TUI, desktop app, or editor, leveraging the same local engine across all interfaces.

2026-08-02
63
gh-stack logo
gh-stack
Break down large changes into a manageable chain of dependent pull requests.
cligh-extensiongithubstacked-prs

Stacked pull requests are a development workflow that allows you to decompose a large feature or bug fix into a series of smaller, linked pull requests. This solves the problem of unwieldy, hard-to-review mega-PRs by enabling incremental, independent review and merging of dependent changes. It's designed for developers and teams working on complex features who want to maintain code quality and streamline the review process.

2026-08-01
53
superfile logo
superfile
Pretty fancy and modern terminal file manager
bubbleteaclifile-managerfilemanager

Pretty fancy and modern terminal file manager

2026-07-26
77
open-code-review logo
open-code-review
Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: determi
agentagent-skillscode-reviewcode-review-assistant

Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

2026-07-26
51

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