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Grpc-web Alternatives
Similar projects and alternatives to grpc-web
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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vike
(Replaces Next.js/Nuxt) 🔨 Build mission-critical applications with stability and development freedom.
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protobuf-es
Protocol Buffers for ECMAScript. The only JavaScript Protobuf library that is fully-compliant with Protobuf conformance tests.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better grpc-web alternative or higher similarity.
grpc-web discussion
grpc-web reviews and mentions
Posts with mentions or reviews of grpc-web.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-07-05.
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Real-Time Data with gRPC Streaming: .NET & React with Connect RPC
Instead of using the standard gRPC JavaScript library (grpc-web), which hasn’t been updated in almost two years, I opted for the Connect RPC implementation. Connect RPC offers a modern, robust, and developer-friendly experience for gRPC in the browser, making it easy to consume streaming endpoints and integrate them seamlessly into React components.
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Using gRPC in React the Modern Way: From gRPC-web to Connect
The official gRPC-web implementation is grpc-web. You first need to install a compiler:
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Top 4 gRPC API Testing Tools You Need to Know
gRPC-Web enables developers to interact with gRPC services from web browsers. It’s particularly useful for testing gRPC APIs in environments that require a frontend interface.
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gRPC: 5 Years Later, Is It Still Worth It?
It drives me bonkers that HTTP packs so many awesome capabilities that enable so much awesome gRPC stuff.
Then web browsers never implement any of those capabilities.
gRPC-web's roadmap is still a huge pile of workarounds they intend to build. These shouldn't be necessary! https://github.com/grpc/grpc-web/blob/master/doc/roadmap.md
Instead of giving us http-push, everyone said, oh, we haven't figured out how to use it for content delivery well. And we've never ever let anyone else use it for anything. So to got canned.
Http-trailers also seems to not have support, afaik.
Why the web pours so much into HTML, js, CSS, but utterly neglects http, to the degree where grpc-web will probably end up tunneling http-over-webtransport is so cursed.
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Browser Client to gRPC Server Routing options: Connect, gRPC-web, gRPC-gateway and more!
Connect also offers direct support for the gRPC-Web protocol used by grpc/grpc-web, without relying on a translating proxy like Envoy.
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Ask HN: WebSocket server transforming channel subscriptions to gRPC streams
* Additionally, client can stream data to the backend server (if bidirectional GRPC streams are used). I.e. client sends WebSocket messages, those will be transformed to GRPC messages by WebSocket server and delivered to the application backend.
As a result we have a system which allows to quickly create individual streams by using strict GRPC contract but terminating connections over WebSocket transport. So it works well in web browsers. After that no need to write WebSocket protocol, client implementation, handle WebSocket connection. This all will be solved by a suggested WebSocket server and its client SDKs.
The mechanics is similar to Websocketd (https://github.com/joewalnes/websocketd), but instead of creating OS processes we create GRPC streams. The difference from grpc-web (https://github.com/grpc/grpc-web) is that we provide streaming capabilities but not exposing GRPC contract to the client - just allowing to stream any data as payload (both binary and text) with some wrappers from our client SDKs side for managing subscriptions. I.e. it's not native GRPC streams on the client side - we expose just Connection/Subscription object to stream in both directions. GRPC streams used only for communication between WebSocket server and backend. To mention - grpc-web does not support all kinds of streaming now (https://github.com/grpc/grpc-web#streaming-support) while proposed solution can. This all should provide a cross-platform way to quickly write streaming apps due to client SDKs and language-agnostic nature of GRPC.
I personally see both pros and cons in this scheme (without concentrating on both too much here to keep the question short). I spent some time thinking about this myself, already have some working prototypes – but turned out need more opinions before moving forward with the idea and releasing this, kinda lost in doubts.
My main question - whether this seems interesting for someone here? Do you find this useful and see practical value?
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Build and Deploy a gRPC-Web App Using Rust Tonic and React
By default, web browsers do not support gRPC, but we will use gRPC-web to make it possible.
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Lemmy v0.18.0 Release - A reddit alternative written in Rust.
You just have to use a library implementation for JavaScript https://github.com/grpc/grpc-web
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Full Stack Forays with Go and gRPC
TypeScript support remains an experimental feature of gRPC.
- Seeking Opinion: Choosing Between Gateway and Envoy Proxy for Our Microservices Architecture
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Stats
Basic grpc-web repo stats
38
9,223
5.3
6 days ago
grpc/grpc-web is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of grpc-web is JavaScript.
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