The Best Insomnia Alternatives in 2026

1

Bruno

4.4/ 5 overall

Bruno is the alternative most Insomnia refugees land on, precisely because it fixes the complaints that drove them away. It's open-source and local-first: requests are stored as plain files (its own Bru markup) right in your project, so you can version them in Git, review them in PRs and keep everything offline with no account or forced cloud sync. It covers the core API-client workflow, collections, environments, scripting, tests, cleanly and quickly. It's younger than Postman, so a few advanced collaboration features are lighter. But for developers who want a private, offline, Git-friendly API client with no account strings attached, Bruno is the standout Insomnia alternative. See our <a href="/alternatives/bruno-alternatives">Bruno alternatives</a> too.

2

Postman

4.1/ 5 overall

Postman is the industry standard, and the most feature-rich Insomnia alternative. Far beyond a request client, it's a full API platform: collections, environments, scripting and testing, mock servers, monitors, documentation, an API design workflow and strong team collaboration, with a huge ecosystem. For a team that wants one comprehensive platform to design, test, document and collaborate on APIs, its depth is unmatched. The trade-offs are the flip side of Insomnia's complaints: it leans heavily on accounts and the cloud, and it can feel heavy for someone who just wants to fire off requests. But for teams that want the most complete, collaborative API platform, Postman is the benchmark. See our <a href="/alternatives/postman-alternatives">Postman alternatives</a> too.

3

Hoppscotch

4.4/ 5 overall

Hoppscotch is the lightweight, open-source, browser-based pick, and a lovely Insomnia alternative when you want something fast and frictionless. It runs in the browser (or self-hosted) with a clean, snappy interface, covering REST, GraphQL, WebSocket and more, with collections, environments and a focus on speed. Because it's open-source and self-hostable, teams that want control or privacy can run their own instance. For a developer who just wants to open a tab and start testing APIs without installing a heavy app or signing up, it's refreshingly quick. It's lighter on deep enterprise collaboration than Postman. But for a fast, free, open-source, browser-based API client, Hoppscotch is an excellent, no-fuss Insomnia alternative.

4

Thunder Client

4.3/ 5 overall

Thunder Client is the pick for developers who live in VS Code, because it lives there too. It's a lightweight API client built as a VS Code extension, so you can send requests, manage collections and environments, run tests and scripts, and view responses without ever leaving your editor, no separate app to switch to. It supports local storage and Git-friendly collections, which appeals to the same crowd that dislikes forced cloud sync. There's a free tier with paid features for teams. It's intentionally lighter than Postman and tied to VS Code. But for a VS Code user who wants a fast, convenient way to test APIs right inside their editor, Thunder Client is a brilliant, frictionless Insomnia alternative.

5

Apidog

4.1/ 5 overall

Apidog is the all-in-one API platform that's become a popular Postman-and-Insomnia alternative by combining several tools into one. It brings API design, debugging (the request client), automated testing, mock servers and documentation together in a single app, so the whole API lifecycle lives in one place rather than across separate tools. For a team that wants to design, test, mock and document APIs cohesively, that unified workflow is the appeal, and it imports existing Postman/Insomnia collections to ease the switch. There's a free tier and paid team plans. It's more of a full platform than a lean client. But for teams that want an integrated, all-in-one API design-and-testing tool, Apidog is a capable, well-rounded Insomnia alternative.

6

Yaak

4.1/ 5 overall

Yaak is a newer, modern desktop API client built very much in the spirit of what Insomnia used to be: local-first, private and fast. It stores data locally, works offline, supports Git-friendly workflows, and covers REST, GraphQL and more in a clean, contemporary interface, without pushing you toward mandatory accounts or cloud sync. For developers who want a modern, pleasant desktop client that respects privacy and keeps their requests on their own machine, it's a refreshing option. As a younger project its ecosystem and some advanced features are still growing. But for a modern, local-first, offline-friendly desktop API client, Yaak is a promising Insomnia alternative worth trying, especially if privacy and offline use matter to you.