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Dev tools · alternatives · 2026

24 alternatives to Echolon

Postman Alternative. Open source, git-native, zero login

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

  1. 1

    Last time I posted this it didn't garner much interest. There have been lots of improvements and fixes since the last release. Quick list of features: - Workspaces - Tabs - Nested Folders - Lots of context menus - Response history - Plugins - Runs fully in the browser and runs offline if necessary - Chrome and Firefox extension to bypass CORS restrictions - Desktop builds for all platforms - GraphQL support - Import collections exported from Postman and Insomnia - Simple user friendly interface I built this because I love Insomnia but wanted a portable version that I could run in the…

    2022 · restfox.dev · its alternatives →

  2. 2

    Build, test, and document your APIs faster

    2016 · postman.com · its alternatives →

  3. 3
    Postman▲182

    Postman is a powerful HTTP client to test REST API

    2014 · postman.com · its alternatives →

  4. 4

    We just released a major upgrade to SigNoz with support for Logs management based on ClickHouse. Would love to get any feedback from the community here on what you think and any questions you may have for us Many big companies like Uber and Cloudflare have been shifting to ClickHouse as their main workhorse for Logs management seeing much better performance. for e.g Cloudflare recently shifted from Elastic to ClickHouse and are seeing 8x improvement in memory/cpu resource requirement in ingestion. This is our first release with Logs support and we have added support for: - Filtering…

    2022 · github.com · its alternatives →

  5. 5
    Zorium▲112

    The Lightweight Discord ALTERNATIVE

    2025 · echoed.gg · its alternatives →

  6. 6

    Fast, private Open Source YouTube client

    Apr 2026 · echotube.fun · its alternatives →

  7. 7
    Bruno ▲457

    Bruno is the Git-native API client for REST, GraphQL, gRPC and Websocket. A local and open-source solution to Postman. Fast, developer-first, and no cloud syncing.

    2025 · usebruno.com · its alternatives →

  8. 8
    Echofin▲118

    Communication platform for Financial Teams

    2017 · echofin.com · its alternatives →

  9. 9EA
  10. 10OS

    Hello! This is Jeane and Samuel and we’re building RecipeUI. RecipeUI is an open source Postman alternative that uses TypeScript to statically type and autocomplete requests. We built this because current API tools don’t deal with the fact that some APIs are just painful to work with. For us, it’s usually error after error as we try to figure out how to properly form the first request. We recorded a demo to show you how TypeScript helps us autocomplete a request correctly. https://youtu.be/O_Mly_p-g5s How does our platform improve the developer experience? The analogy is…

    2023 · recipeui.com · its alternatives →

  11. 11
    Echoium▲13

    AI-Powered Communication. Brilliantly Simple.

    2025 · echoium.com · its alternatives →

  12. 12

    Hi HN! I'm Greg and I've been working on Yaak for just over a year. I usually describe it as a Postman alternative since most developers are familiar with that, but it's targeted more toward users that just want an API client (no mocking, testing, spec design, etc). Having also created Insomnia for a similar purpose, I never thought I'd build another API client again. But, after selling Insomnia in 2019 and watching it expand into the broader feature set of Postman, I was left wanting a simpler tool again. Yaak was my answer to that. It's hard to describe how it's better than the 100 other…

    2025 · yaak.app · its alternatives →

  13. 13
    GitNexus (Akon Labs)free tier, from $29/mo▲151

    The open-source kernel for coding agents

    Aug 2026 · akonlabs.com · its alternatives →

  14. 14
    Echoe▲68

    Replace Dropbox & WeTransfer for music collaboration

    Feb 2026 · echoe.cloud · its alternatives →

  15. 15

    Feed your code context directly to AI

    2025 · echocomet.com · its alternatives →

  16. 16HP

    Hoppscotch is an open-source API development ecosystem - an online alternative to Postman API tool. Today we're launching Teams Collaboration support in Hoppscotch. • Unlimited teams • Unlimited shared collections • Unlimited team members • Role-based access control • Cloud sync • Multiple devices GitHub: https://github.com/hoppscotch/hoppscotch Web app: https://hoppscotch.io Read more on our blog: https://company.hoppscotch.io/create-teams-for-collaboration-in-hoppscotch

    2021 · its alternatives →

  17. 17

    I have developed an application called "echoserver" and I would like to share its details on Hacker News. The purpose of "echoserver" is to simplify the testing of HTTP clients. It functions as an echo server, meaning it responds to requests by echoing back the received data. This allows users to simulate various server responses and test their HTTP clients accordingly. With "echoserver," users can generate custom responses by specifying the desired status code, headers, and response body. This flexibility enables thorough testing of HTTP clients and simplifies the process of verifying…

    2023 · echoserver.dev · its alternatives →

  18. 18
    WebTerm▲109

    Free online Linux terminal that runs in your browser. Practice Linux commands and Git with interactive tutorials. No installation, no sign-up.

    Jan 2026 · webterm.app · its alternatives →

  19. 19

    CLI tool for batch-sending email via any SMTP server. - zachlatta/postman

    2014 · github.com · its alternatives →

  20. 20

    Introducing Posthorn, a self hosted email gateway. One docker container (or Go binary) between every self hosted app on your VPS and your transactional email provider. Set up Posthorn once, point your apps to it, done. I was trying to deploy Ghost on a DigitalOcean droplet and found that DO and many different VPS services have started to block the default SMTP ports to try to combat the various types of abuse they get. To actually configure my app, I had to hack together a Postfix relay. In another project, I had a static site which had a contact form, but my free Formspree account was…

    May 2026 · github.com · its alternatives →

  21. 21

    The fastest workflow for developing with AI

    Aug 2026 · agent-manager.dev · its alternatives →

  22. 22

    Apicat is the ultimate offline Postman alternative that stores your .http files locally. It’s Git-friendly, open-source, and highly compatible with Postman. Test APIs offline with this powerful free offline API client designed for developers who need a reliable local API testing tool.

    2025 · apicat.com · its alternatives →

  23. 23

    Bash4LLM is a single-file Bash wrapper for interacting with LLMs from the terminal. I created it because I wanted something simple that worked without installing Python, Node, or any other runtime. It uses only Bash, curl, and jq. You can send prompts, start a small chat, process files line by line, stream output, and save session metadata in JSON format. I tried to make it safe and predictable: no use of the system /tmp, no use of eval. Groq is supported by default, and other providers can be added with dedicated Bash scripts in the extras/providers/ folder. Example: echo…

    Jun 2026 · github.com · its alternatives →

  24. 24EA

    I've been working on logging for a while and I've released and open sourced a new Java logging API I'm really happy with. Echopraxia [1] is a Java logging API like SLF4J, but built around structured logging, i.e. the basic log entry is a JSON object and log files are typically NDJSON. It also has conditions, context, and also has semantic and fluent logging options. Here's a Spring Boot Example [2]. And here's my blog post [3]. [1] https://github.com/tersesystems/echopraxia [2] https://github.com/tersesystems/echopraxia-spring-boot-example [3]…

    2022 · 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 →