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gRPC

gRPC

gRPC is a high-performance, open source RPC framework from Google that enables fast inter-service communication across languages and platforms.

Used at
grpc.io github.com github.com

About gRPC

gRPC acts as a communication protocol for microservices. Instead of sending verbose JSON over HTTP, gRPC uses compact binary Protobuf messages - making communication faster and more resource efficient. It’s a big performance step up for service-to-service calls.

The framework is built on HTTP/2, allowing many requests to share a single connection concurrently. That makes it a great fit for modern distributed systems where performance and scalability matter. gRPC has broad language support - C#, Java, Python, Go, Rust, and more - which helps teams avoid interop friction.

What’s particularly nice about gRPC is how well it aligns with cloud-native and microservice architectures. It is used by companies like Google, Netflix, and Square, while still being approachable for smaller projects. If you value clear API contracts, low-latency communication, and reduced boilerplate, gRPC can be a breath of fresh air.

gRPC is often used together with

Kubernetes

gRPC is used at

Aira GroupAira Group is the Swedish cleantech company that makes heat pumps and complete energy solutions easily accessible for ordinary households - without high upfront costs.
BookBeatBookBeat turns everyday chores into a book-devouring party with thousands of audiobooks and e-books - all in a smooth app.
DigiExam Solutions SwedenDigiExam Solutions Sweden AB builds a secure, user‑friendly platform for digital exams - from school tests to higher education - focusing on privacy and reliability.
Discovery Networks SwedenDiscovery Networks Sweden is the media company behind several of Sweden’s most popular TV channels and streaming services-focused on entertaining and engaging audiences.
EinrideEinride is a Swedish pioneer in electric and autonomous freight transport, built to make logistics more efficient and climate‑friendly.
EncoretivityEncoretivity builds Encore-a platform that lets developers build and run cloud systems without the hassle of DevOps and infrastructure.
EntryfyEntryfy makes physical security digital-you unlock doors with your phone and manage everything online without hassle.
evrocEvroc is building a European cloud - secure, sovereign, and sustainable - focused on AI and top-tier datacenters.
Grafana LabsGrafana Labs enables companies to understand what is happening in their systems - in real time - using powerful visualizations and AI-driven analysis.
InceptronInceptron AB is a Swedish AI company that specializes in optimizing and accelerating machine learning models using tailored technologies and hardware.
Juni TechnologyJuni Technology is the fintech company that simplifies life for e‑commerce merchants with a smart financial platform.
MAG InteractiveMAG Interactive creates mobile games that are as addictive as they are social, with millions of players worldwide.
Telness TechnologiesTelness Technologies builds software that makes it easy for companies to launch and run mobile operators - fully digital and self-service.
Visit GroupVisit Group is a technology company for travel and tourism that builds digital ecosystems for experiences and hotels - software for bookings, ticketing, packaging and operational management.