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Side-by-side comparison

Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.

High-performance RPC framework over HTTP/2 with Protocol Buffers; the standard for service-to-service calls.

End-to-end type-safe APIs for TypeScript monorepos without schemas or code generation.

Google's language-neutral binary serialization format and IDL behind gRPC.

Modern Protobuf toolchain for linting, breaking-change detection, code generation and a schema registry.

Head to head

Metric	gRPC	tRPC	Protocol Buffers	Buf
Stars	45.4k	40.8k	72.2k	11.5k
Weekly downloads	n/a	6.8M	n/a	3.8M
Download growth	n/a	+40%	n/a	+27%
Popularity score	85/100	84/100	89/100	78/100
Forks	11.3k	1.7k	16.4k	373
Open issues	1.4k	124	418	57
Last commit	1d ago	3d ago	today	1w ago
Latest version	n/a	11.28.0	n/a	1.75.0
License	Apache-2.0	MIT	n/a	Apache-2.0
First released	2014	2020	2014	2019
Signals	Popular	None	Popular	None
Listed in	Backend › RPC, gRPC & OpenAPI	Frontend › Data Fetching & API Clients Backend › RPC, gRPC & OpenAPI	Backend › RPC, gRPC & OpenAPI	Backend › RPC, gRPC & OpenAPI

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): gRPC, Protocol Buffers.

High-performance RPC framework over HTTP/2 with Protocol Buffers; the standard for service-to-service calls.

End-to-end type-safe APIs for TypeScript monorepos without schemas or code generation.

Google's language-neutral binary serialization format and IDL behind gRPC.

Modern Protobuf toolchain for linting, breaking-change detection, code generation and a schema registry.

Metric	gRPC	tRPC	Protocol Buffers	Buf
Stars	45.4k	40.8k	72.2k	11.5k
Weekly downloads	n/a	6.8M	n/a	3.8M
Download growth	n/a	+40%	n/a	+27%
Popularity score	85/100	84/100	89/100	78/100
Forks	11.3k	1.7k	16.4k	373
Open issues	1.4k	124	418	57
Last commit	1d ago	3d ago	today	1w ago
Latest version	n/a	11.28.0	n/a	1.75.0
License	Apache-2.0	MIT	n/a	Apache-2.0
First released	2014	2020	2014	2019
Signals	Popular	None	Popular	None
Listed in	Backend › RPC, gRPC & OpenAPI	Frontend › Data Fetching & API Clients Backend › RPC, gRPC & OpenAPI	Backend › RPC, gRPC & OpenAPI	Backend › RPC, gRPC & OpenAPI

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): gRPC, Protocol Buffers.