Best workflow automation skills for AI agents

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

Excellent quality, 73K stars, and a 28 use-case fit score.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Excellent quality, 46K stars, and a 27 use-case fit score.

The open-source communication infrastructure for agents and products

Excellent quality, 39K stars, and a 27 use-case fit score.

Persistent file-based planning for AI coding agents and long-running agentic tasks. Crash-proof markdown plans that survive context loss and /clear, plus a deterministic completion gate and multi-agent shared state on disk. Manus-style. Works with Claude Code, Codex CLI, Cursor, Kiro, OpenCode and 60+ agents via the SKILL.md standard.

Excellent quality, 25K stars, and a 26 use-case fit score.

280+ free n8n automation templates — ready-to-use workflows for Gmail, Telegram, Slack, Discord, WhatsApp, Google Drive, Notion, OpenAI, and more. AI agents, RAG chatbots, email automation, social media, DevOps, and document processing. The largest open-source n8n template collection.

Excellent quality, 23K stars, and a 26 use-case fit score.

The classic email sending library for PHP

Excellent quality, 22K stars, and a 26 use-case fit score.

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

Excellent quality, 21K stars, and a 26 use-case fit score.

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

Excellent quality, 20K stars, and a 26 use-case fit score.

💌 Build and send emails using React

Excellent quality, 19K stars, and a 26 use-case fit score.

MJML: the only framework that makes responsive-email easy

Excellent quality, 18K stars, and a 26 use-case fit score.

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Excellent quality, 18K stars, and a 26 use-case fit score.

✉️ Send e-mails with Node.JS – easy as cake!

Excellent quality, 18K stars, and a 26 use-case fit score.

A fast, cross-platform build tool inspired by Make, designed for modern workflows.

Excellent quality, 16K stars, and a 26 use-case fit score.

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

Excellent quality, 15K stars, and a 26 use-case fit score.

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

Excellent quality, 15K stars, and a 26 use-case fit score.

:mag: Quick file search & app launcher for Windows with community-made plugins

Excellent quality, 15K stars, and a 26 use-case fit score.

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Excellent quality, 14K stars, and a 26 use-case fit score.

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

Excellent quality, 12K stars, and a 26 use-case fit score.

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

Excellent quality, 11K stars, and a 26 use-case fit score.

A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail

Excellent quality, 11K stars, and a 26 use-case fit score.

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

Excellent quality, 11K stars, and a 26 use-case fit score.

A command-line productivity tool powered by AI large language models like GPT-5, will help you accomplish your tasks faster and more efficiently.

Excellent quality, 12K stars, and a 26 use-case fit score.

Low code web framework for real world applications, in Python and Javascript

Excellent quality, 10K stars, and a 26 use-case fit score.

CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot

Excellent quality, 10.0K stars, and a 25 use-case fit score.

A terminal spreadsheet multitool for discovering and arranging data

Excellent quality, 9.1K stars, and a 25 use-case fit score.

WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

Excellent quality, 8.9K stars, and a 25 use-case fit score.

Prometheus Alertmanager

Excellent quality, 8.5K stars, and a 25 use-case fit score.

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Excellent quality, 7.7K stars, and a 25 use-case fit score.

Insular email distribution - mail server as Docker images

Excellent quality, 7.3K stars, and a 25 use-case fit score.

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

Excellent quality, 188K stars, and a 25 use-case fit score.