Dev tools · alternatives · 2026
24 alternatives to Cptn.io – open-source integration platform
Hi, I am Krishna Thota. I am building an open source integration and data platform(https://cptn.io). The product is MIT licensed and the repo is at https://github.com/cptn-io/el-cptn. I have started on my startup journey an year ago and launched a monitoring platform called DevRaven. Unfortunately the product did not takeoff as expected. That story is for another day. But during the course of building the product, I have built several integrations leveraging MQs and Cloud Functions. While building and deploying Cloud Functions for happy paths is easy, I had to…
Cptn.io is an open-source integration and data platform licensed under MIT that helps developers build and manage data pipelines and integrations. It addresses challenges with cloud functions and message queues by… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cptn.io – open-source integration platform launched in 2023; newer entries below may have overtaken it.
- 1

- 2

- 3
Temporal Cloud▲337OpenAI and Temporal have teamed up to add Durable Execution to agents built using OpenAI’s Agents SDK, and today we released the new integration in Public Preview.
2024 · temporal.io · its alternatives →
- 4GE
Hello Hacker News community, Wanted to share a project I started working on during my spare time and was then discovered by many in the open source community last week. GPT Engineer’s mission: Be the open platform for devs to tinker with and build their personal code-generation toolbox. I believe it's key for us devs to engage in how building software can and will change. You can find more info about the flexible technical "philosophy" to make it work well, and the community we want it to become on github: https://github.com/AntonOsika/gpt-engineer The project is still in…
2023 · its alternatives →
- 5

- 6

I built this as a small side project to learn and experiment, and I ended up with this! I used a subdomain from my personal portfolio, and everything else runs on free tiers. The project uses Nuxt, SVG, Cloudflare Workers, D1 (SQL), KV, Terraform, and some agentic coding with OpenAI Codex and Claude Code. What started as a joke among friends turned into a fun excuse to build something end to end, from zero to production, and to explore a few things I’d never touched before. I’d really appreciate any feedback or suggestions.
Jan 2026 · certificate.brendonmatos.com · its alternatives →
- 7

Hi HN, We have open-sourced Voiden. Most API tools are built like platforms. They are heavy because they optimize for accounts, sync, and abstraction - not for simple, local API work. Voiden treats API tooling as files. It’s an offline-first, Git-native API tool built on Markdown, where specs, tests, and docs live together as executable Markdown in your repo. Git is the source of truth. No cloud. No syncing. No accounts. No telemetry.Just Markdown, Git, hotkeys, and your damn specs. Voiden is extensible via plugins (including gRPC and WSS). Repo:…
Feb 2026 · github.com · its alternatives →
- 8

balenaCloud: Manage fleets of IoT Linux devices with balena’s cloud platform. First 10 devices are free. Develop, deploy, and scale your IoT fleet.
2015 · resin.io · its alternatives →
- 9

With the OpenDataDiscovery Platform, you can collect metadata from any data source, regardless of format or location. This powerful platform provides data discovery, observability, and trust for your entire data pipeline.
2022 · opendatadiscovery.org · its alternatives →
- 10

A secure cloud management platform for automation, orchestration, cost and usage monitoring of public and private clouds, hypervisors and container hosts. Provides multi-cloud RBAC. Enables self service provisioning. Cost analytics and cloud spending optimization
2013 · mist.io · its alternatives →
- 11
Nodrix▲76Open-source, single-tenant IoT platform that deploys to your own Cloudflare account. Hardware over HTTPS or WebSocket, realtime dashboards, automations, and a clean read API.
Jun 2026 · nodrix.live · its alternatives →
- 12

- 13

Hey hacker news, we launched a few weeks ago as a GPT-powered chatbot for developer docs, and quickly realized that the value of what we’re doing isn’t the chatbot itself. Rather, it’s the time we save developers by automating the extraction of data from their SaaS tools (Github, Zendesk, Salesforce, etc) and helping transform it to contextually relevant chunks that fit into GPT’s context window. A lot of companies are building prototypes with GPT right now and they’re all using some combination of Langchain/Llama Index + Weaviate/Pinecone + GPT3.5/GPT4 as their stack for…
2023 · github.com · its alternatives →
- 14AM
Hi all, I’m hacking on new features for the ClickHouse native client and wanted the same “just call the model” ergonomics JavaScript and Python now enjoy. It didn’t exist for modern C++, so I wrote one. ai‑sdk‑cpp (Apache‑2.0) gives you: - Unified calls to OpenAI (GPT‑4o) and Anthropic (Claude 3.5) with a single C++20 API. - Streaming, multi‑turn chat, error handling—all std::optional/std::variant, no macros. - Tool calling (function‑calling) so the model can hit real APIs; sync or async, runs in parallel. The tricky bit: C++ still lacks real reflection, so mapping plain functions →…
2025 · its alternatives →
- 15

Last week Cloudflare released Cap'n Web [1], a schema-free capability-based RPC protocol. I built capn-rs this week - a Rust implementation with full wire protocol compatibility. Links: GitHub: https://github.com/currentspace/capn-rs Crates: https://crates.io/crates/capnweb-server API docs: https://docs.rs/capnweb-server What's working: Wire compatibility verified via integration tests against TypeScript reference Multi-transport: HTTP batch, WebSocket, WebTransport (HTTP/3) Complete IL (intermediate language) expression evaluator…
2025 · github.com · its alternatives →
- 16

Hi HN! Tony & Ali here, we are super excited to introduce Venice - an open source financial data integrations platform. Our MVP is getting financial data from Plaid into your postgres database in under 5 mins. We met while building our own respective fintechs. We noticed how much developer time went into setting up and maintaining the infrastructure rather than actually building the fintech itself. In Tony’s last project Alka for instance, the engineering team spent 30%+ of time building and maintaining the data connectivity and pipeline rather than the core work of accounting. What we wish…
2022 · github.com · its alternatives →
- 17TC
2015 · cloud.tyk.io · its alternatives →
- 18

this is an open-source project. the MVP to end all MVPs. made by me, a teenage developer angry at FAANG employees for creating a soulless, consumer-oriented world. The future is in creation, and the future is in teaching people to slam shit together with ChatGPT. Welcome to the start. :P
2024 · 48hr.dev · its alternatives →
- 19SA
Hi HN! I’m Tony, one of the co-founders of Inngest (https://inngest.com/). Wanted to show you something we’re working on: StepKit. StepKit is an open source SDK and framework for building and iterating on durable workflows that run on any platform (self-hosted, Inngest, Cloudflare, Netlify, etc.) without requiring any provider or bundler-specific code. Here’s the repo: https://github.com/inngest/stepkit. StepKit extracts the core execution loop that we built in Inngest and makes it fully open, Apache 2, and hackable/pluggable to different backends. We…
Nov 2025 · its alternatives →
- 20

Hey HN! Arjun and Sid here. Fostrom is an IoT Cloud Platform designed for developers to make it really easy to get started and scale fleets. We have Device SDKs (in Python, JS, Elixir, more coming soon), Typed Schemas, Per-Device Mailboxes, Programmable Actions, 4 Global Regions for lower-latency connections, and much more. We've built Fostrom to solve a real need we faced in our previous startup, building a fully automated indoor vertical farm. We spent more time figuring out IoT infrastructure than writing automation logic. Fostrom is the platform we wished existed back then. Over the last…
Feb 2026 · fostrom.io · its alternatives →
- 21MC
Hi HN, this is Douwe, founder & CEO of Meltano (https://meltano.com), an open source EL tool that came out of GitLab (YC W15), so perhaps I should be saying "Meltano CEO here" :) Today is a big day for me and our team, as the SaaS edition of our product is now in Public Beta! Meltano Cloud has all the flexibility of Meltano, but none of the hassle of self-managed infra. (Sign up now to claim your 100 free credits!) It's been quite a journey: 5 years ago (https://news.ycombinator.com/item?id=17667399), the GitLab data team realized that their UI-based workflows were…
2023 · meltano.com · its alternatives →
- 22IM
2016 · pesfandiar.com · its alternatives →
- 23HI
I'd like to announce the latest public beta release of Hobson - an open-source IoT platform that promotes ease-of-use and has no cloud dependencies. It is free, multi-platform and supports various devices, services and protocols through a powerful plugin system. It can be used by end-users to control various consumer smart devices or by IoT developers as a foundation for their own solutions. I encourage anyone that is interested to check out Hobson's website and give it a try. It is under active development and feedback and suggestions are encouraged. http://www.hobson-automation.com
2016 · its alternatives →
- 24

Hi HN! I left AWS a few months ago and created CodinIT, a local, open-source AI app builder made with remix + Electron. The motivation: I tried one of the popular cloud-based AI app builders, but when I pulled down the app to run locally, it just didn’t work especially with the monthly costs needed to build something half decent without being limited. So I created CodinIT, an app builder that runs fully on your computer, making it easy to switch between CodinIT and coding tools like Cursor or Claude Code. Source code: https://github.com/codinit-dev/codinit-dev Download…
Dec 2025 · github.com · its alternatives →
Also compare
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 →