Work · alternatives · 2026
24 alternatives to A tiny Microservice for sending emails and/or calendar invitations
A simple microservice designed in Go using Echo Microframework for sending emails and/or calendar invitations to users.
A microservice that handles email and calendar invitation delivery, launched in November 2021. Built for developers who need to integrate email or calendar functions into applications without managing a full email… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A tiny Microservice for sending emails and/or calendar invitations launched in 2021; newer entries below may have overtaken it.
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I can't tell if HN is the right kind of place for this stuff anymore since people are so advanced in their use but I thought it was interesting to leverage my existing Go microservices framework and turn it into the core of what would provide tools for an agent cli or whatever beyond that. Extensibility is key. Thought I'd share and get a conversation going.
2020 · go-micro.dev · its alternatives →
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Hi all, I wanted to reshare this after some time. I've been working on evolving my service framework into an agent harness. As all of this AI tooling has evolved its become clear to me that agents, services and workflows are part of a core system of operations which would benefit from a single framework. Previously Go Micro only enabled service development. But now it includes Agents and Workflows. What does that mean? Well firstly services which are registered in a central registry automatically become tools for agents. The service endpoints individually become callable tools via MCP.…
2019 · go.micro.mu · its alternatives →
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an agentic cms self-hosted on cloudflare, for podcasts, blogs, photos, videos, documents, and curated urls. - microfeed/microfeed
2022 · github.com · its alternatives →
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April▲664Reach Inbox Zero by speaking with your email & calendar
2025 · apps.apple.com · its alternatives →
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A cloud-native Go microservices framework with cli tool for productivity. - zeromicro/go-zero
2021 · github.com · its alternatives →
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A Go agent harness and service framework. Contribute to micro/go-micro development by creating an account on GitHub.
2015 · github.com · its alternatives →
- 9SM
2016 · blog.leveros.com · its alternatives →
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CalendarPipe▲155Create pipes to filter, transform, and sync events between Google Calendar, Outlook, and Apple Calendar. Build visually, describe in plain English, or write code.
Apr 2026 · calendarpipe.com · its alternatives →
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Send push notifications to your phone or desktop using PUT/POST - binwiederhier/ntfy
2021 · github.com · its alternatives →
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2021 · github.com · its alternatives →
- 14RS
2015 · sse.getgin.io · its alternatives →
- 15
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Listmonk 1.0▲110Self-hosted newsletter and mailing list manager
2021 · github.com · its alternatives →
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Everything you need to start sending newsletters, drip campaigns, transactional emails. Mailcoach is a fully featured email marketing platform built for growing creators, developers, and businesses.
2020 · mailcoach.app · its alternatives →
- 18OM
2017 · login-with.com · its alternatives →
- 19
Robust and flexible email library for Go. Contribute to jordan-wright/email development by creating an account on GitHub.
2014 · github.com · its alternatives →
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Quickly build microservices using p2p networking in NodeJS/Go. - lithdew/flatend
2020 · github.com · its alternatives →
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Groupmail▲80Self-hosted newsletter app for Mac, Windows & Linux
2020 · groupmail.io · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →