Dev tools · alternatives · 2026

24 alternatives to Flux — Local
Postman alternative
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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A simple API for rate limiting, caching, prioritization
2024 · its alternatives →
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Fluxer▲154Hey HN, and happy new year! I'm Hampus Kraft [1], a 22-year-old software developer nearing completion of my BSc in Computer Engineering at KTH Royal Institute of Technology in Sweden. I've been working on Fluxer on and off for about 5 years, but recently decided to work on it full-time and see how far it could take me. Fluxer is an open source [2] communication platform for friends, groups, and communities (text, voice, and video). It aims for "modern chat app" feature coverage with a familiar UX, while being developed in the open and staying FOSS (AGPLv3). The codebase is largely written in…
Jan 2026 · fluxer.app · its alternatives →
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Flux▲375how can we make AI agents more accessible? it has been a crazy journey seeing how AI agents gets smarter every single day but interaction layer is still missing we are launching Spectrum TODAY: one Unified API connect your AI Agents into iMessage, WhatsApp, Telegram and more
Jan 2026 · photon.codes · its alternatives →
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Fluxa▲14Lightweight project management for freelancers / small teams
2024 · fluxa.app · its alternatives →
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REST, gRPC & WebSocket client. No Electron. AI-powered.
Jun 2026 · fluxapi.dev · its alternatives →
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Hi HN, I have been experimenting with a messaging protocol called FLUX. The goal is to explore what email might look like if it was designed today instead of in the 1980s. FLUX tries to simplify a few things that feel complicated in the current email stack. Identity is based on cryptographic keys instead of usernames and passwords. Messages are signed and verified automatically. The transport is real time and does not depend on the traditional SMTP relay model. The current implementation is small and meant as a prototype. The whole server is only a few hundred lines of Python so the protocol…
Mar 2026 · github.com · its alternatives →
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Postman▲182Postman is a powerful HTTP client to test REST API
2014 · postman.com · its alternatives →
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Organize and speed up API development work
2018 · postman.com · its alternatives →
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Flux▲4Team chat with an extension marketplace and desktop app.
Mar 2026 · getflux.org · its alternatives →
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FluxiStream▲20A customizable Kafka metrics observability dashboard
2024 · streamforgeobs.com · its alternatives →
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Echolon▲95Postman Alternative. Open source, git-native, zero login
Feb 2026 · echolon.app · its alternatives →
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Send any file across your devices over Wi-Fi — no cloud
Jun 2026 · fluxshare.org · its alternatives →
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2020 · fluxo.ai · its alternatives →
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Contribute to cmc-labo/flux development by creating an account on GitHub.
Jan 2026 · github.com · its alternatives →
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Learn Flux from an extremely simple demo. Contribute to ruanyf/extremely-simple-flux-demo development by creating an account on GitHub.
2016 · github.com · 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 →