BloomRPC Extended

C
C tier on gRPC ToolsScore 6.6 · #9 of 23
Android app
Not listed
Free plan
No
Runs on
Linux, Mac, Windows
github.com
The BloomRPC Extended homepage

Summary

BloomRPC Extended is a free desktop client for exploring and querying gRPC services on Linux, macOS, and Windows. It is a maintained continuation of the original BloomRPC project, which its README says was archived in January 2023. The client handles native unary, server-streaming, client-streaming, and bidirectional calls, along with gRPC-Web and server reflection. Users can import and manage .proto files, set up environments, and edit metadata; TLS and SSL are supported for connections. The interface provides draggable service tabs, search and filtering, service grouping, an overflow menu, and a close-all control. The project says packaged builds use the CodeMirror 6 editor for syntax highlighting. Downloads are listed as macOS DMG, Windows EXE, and Linux AppImage or DEB, with Homebrew instructions for macOS and Scoop instructions for Windows. GitHub Issues is provided for problem reports. Users building from source need Bun v1.0 or later. The project lists the license as LGPL-3.0-or-later.

Who it is for

BloomRPC Extended suits developers who want a desktop GUI for exploring gRPC services across Linux, macOS, or Windows. Its call modes and service-management tools may be useful when working with multiple service definitions.

What is good

  • Supports all four native gRPC call patterns
  • Includes gRPC-Web and server reflection
  • TLS and SSL connection support
  • Manages .proto files and environments
  • Available for Linux, macOS, and Windows

What to know first

  • Building from source requires Bun v1.0 or later
  • Original BloomRPC was archived in January 2023

Verdict

BloomRPC Extended offers a desktop interface for several gRPC call types, with service and request configuration tools. It is a maintained fork, while source builds have a Bun version requirement.

Compared on gRPC tools

Free plan
Yesgithub.com
Deployment model
desktopgithub.com
gRPC-Web support
Yesgithub.com
Server reflection
Yesgithub.com

Facts

Purpose
BloomRPC Extended is a GUI client for exploring and querying gRPC services.github.com · 2 Oct 2026
Lineage
It is a maintained fork of the original BloomRPC, which the project says was archived in January 2023.github.com · 2 Oct 2026
RPC calls
It supports native gRPC unary, server streaming, client streaming, and bidirectional calls.github.com · 2 Oct 2026
gRPC-Web
The client supports gRPC-Web.github.com · 2 Oct 2026
Service discovery
The client supports server reflection.github.com · 2 Oct 2026
Connection security
The client supports TLS and SSL.github.com · 2 Oct 2026
Request setup
Users can import and manage .proto files, manage environments, and edit metadata.github.com · 2 Oct 2026
Tabs and editor
It provides draggable service tabs, tab search and filtering, grouping by service, and a CodeMirror 6 editor.github.com · 2 Oct 2026
Downloads
The project lists macOS DMG, Windows EXE, and Linux AppImage or DEB downloads.github.com · 2 Oct 2026
Distribution
The README describes Homebrew installation for macOS and Scoop installation for Windows, alongside GitHub releases.github.com · 2 Oct 2026
License
The repository lists the software license as LGPL-3.0-or-later.github.com · 2 Oct 2026
Support
The repository links to GitHub Issues for reporting problems.github.com · 2 Oct 2026
Project status
It is a maintained fork of the original BloomRPC, which the README says was archived in January 2023.github.com · 3 Oct 2026
Call types
It supports unary, server streaming, client streaming, and bidirectional native gRPC calls.github.com · 3 Oct 2026
Additional protocol support
It supports gRPC-Web and server reflection.github.com · 3 Oct 2026
Request configuration
It supports importing and managing .proto files, environment management, and a metadata editor.github.com · 3 Oct 2026
Tab management
It provides draggable tabs for multiple services, with tab search, service grouping, an overflow menu, and a close-all control.github.com · 3 Oct 2026
Editor
The project says it replaced the legacy ace-builds editor with CodeMirror 6 for syntax highlighting in packaged builds.github.com · 3 Oct 2026
Package installation
The README provides Homebrew installation instructions for macOS and Scoop instructions for Windows.github.com · 3 Oct 2026
Build requirement
Building from source requires Bun v1.0 or later, according to the README.github.com · 3 Oct 2026

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