Field

Backend & APIs open-source projects

OpenSrc lists 112 repositories about Backend & APIs with open issues for new contributors, and 48 of them are first-PR friendly. Between them they have 2,932 open good first issues and 3,441 help-wanted issues. The median welcome score is 72/100, and the best-scored right now are PyO3/pyo3, AcademySoftwareFoundation/OpenImageIO and Significant-Gravitas/AutoGPT. Most are written in Go, Java and Python. Many also touch DevOps & Cloud and Networking.

112 repos by best score

Filter these in the directory

PyO3/pyo3
Rust bindings for the Python interpreter
14good first issues+5 help wanted
- Rust
- Field: Backend
- Field: Compilers
- Stars:16.2K
- committed 1h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~21h
Score93 out of 100 contributor score, very welcomingFirst-PR friendly
AcademySoftwareFoundation/OpenImageIO
Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed…
15good first issues+18 help wanted
- C++
- Field: Backend
- Stars:2.4K
- committed 2h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~12h
Score91 out of 100 contributor score, very welcomingFirst-PR friendly
Significant-Gravitas/AutoGPT
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the…
9good first issues+3 help wanted
- Python
- Field: Machine Learning
- Field: Backend
- Stars:187.6K
- committed 2d ago
- CONTRIBUTING
- replies in ~3h
Score90 out of 100 contributor score, very welcomingFirst-PR friendly
serverless/serverless
⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require…
35good first issues+123 help wanted
- JavaScript
- Field: DevOps
- Field: Backend
- Stars:46.9K
- committed 15h ago
- CONTRIBUTING
- replies in ~3d
Score89 out of 100 contributor score, very welcoming
OpenAPITools/openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and…
3good first issues+52 help wanted
- Java
- Field: Backend
- Stars:26.8K
- committed 3h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~23h
Score88 out of 100 contributor score, very welcomingFirst-PR friendly
jellyfin/jellyfin
The Free Software Media System - Server Backend & API
5good first issues
- C#
- Field: Backend
- Stars:57.6K
- committed 11h ago
- GPL-2.0
- CONTRIBUTING
- replies in ~3h
Score87 out of 100 contributor score, very welcomingFirst-PR friendly
Icinga/icinga2
The core of our monitoring platform with a powerful configuration language and REST API.
44good first issues+9 help wanted
- C++
- Field: Observability
- Field: Backend
- Stars:2.2K
- committed 2h ago
- GPL-3.0
- CONTRIBUTING
- replies in ~21h
Score87 out of 100 contributor score, very welcomingFirst-PR friendly
usebruno/bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
15good first issues+12 help wanted
- JavaScript
- Field: Backend
- Field: Editors
- Stars:47.3K
- committed 5h ago
- MIT
- CONTRIBUTING
- replies in ~18h
Score86 out of 100 contributor score, very welcomingFirst-PR friendly
backstage/backstage
Backstage is an open framework for building developer portals
11good first issues+82 help wanted
- TypeScript
- Field: Editors
- Field: Backend
- Stars:34.5K
- committed 14h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~1h
Score85 out of 100 contributor score, very welcomingFirst-PR friendly
gfx-rs/wgpu
A cross-platform, safe, pure-Rust graphics API.
9good first issues
- Rust
- Field: Graphics
- Field: Backend
- Stars:18.2K
- committed 5h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~14h
Score85 out of 100 contributor score, very welcomingFirst-PR friendly
kubernetes-sigs/aws-load-balancer-controller
A Kubernetes controller for Elastic Load Balancers
26good first issues
- Go
- Field: DevOps
- Field: Backend
- Stars:4.3K
- committed 9h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~2d
Score84 out of 100 contributor score, very welcomingFirst-PR friendly
opensearch-project/security
🔐 Secure your cluster with TLS, numerous authentication backends, data masking, audit logging as well as…
15good first issues+37 help wanted
- Java
- Field: Security
- Field: Backend
- Stars:253
- committed 6h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~2d
Score84 out of 100 contributor score, very welcomingFirst-PR friendly
meilisearch/meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
20good first issues+16 help wanted
- Rust
- Field: Databases
- Field: Backend
- Stars:59.4K
- committed 2h ago
- CONTRIBUTING
- replies in ~30d
Score83 out of 100 contributor score, very welcoming
PipedreamHQ/pipedream
Connect APIs, remarkably fast. Free for developers.
161good first issues+169 help wanted
- JavaScript
- Field: Backend
- Field: CLI Tools
- Stars:11.7K
- committed 1h ago
- CONTRIBUTING
Score83 out of 100 contributor score, very welcomingFirst-PR friendly
line/armeria
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type…
6good first issues
- Java
- Field: Backend
- Field: Networking
- Stars:5.1K
- committed 1d ago
- Apache-2.0
- CONTRIBUTING
- replies in ~6h
Score83 out of 100 contributor score, very welcomingFirst-PR friendly
WasmEdge/WasmEdge
WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and…
3good first issues+14 help wanted
- C++
- Field: DevOps
- Field: Machine Learning
- Stars:10.8K
- committed 2h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~8h
Score82 out of 100 contributor score, very welcomingFirst-PR friendly
AcademySoftwareFoundation/OpenTimelineIO
Open Source API and interchange format for editorial timeline information.
15good first issues+47 help wanted
- C++
- Field: Backend
- Stars:2K
- committed 3d ago
- Apache-2.0
- CONTRIBUTING
Score82 out of 100 contributor score, very welcomingFirst-PR friendly
keploy/keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
77good first issues+21 help wanted
- Go
- Field: Machine Learning
- Field: Testing
- Stars:18.5K
- committed 4h ago
- Apache-2.0
- CONTRIBUTING
- replies in ~30d
Score81 out of 100 contributor score, very welcoming
ansible/awx
AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the…
37good first issues+112 help wanted
- Python
- Field: DevOps
- Field: Web Frontend
- Stars:15.6K
- committed 19h ago
- CONTRIBUTING
- replies in ~30d
Score81 out of 100 contributor score, very welcoming
code-charity/youtube
YouTube / Video Browser-Extension. [Top1 FOSS.] Enrich your experience & choice! 🧰Smart features📌set &…
1043good first issues+1,082 help wanted
- JavaScript
- Field: Backend
- Stars:4.6K
- committed 3d ago
- CONTRIBUTING
- replies in ~30d
Score80 out of 100 contributor score, very welcoming
apache/incubator-seata
:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
18good first issues
- Java
- Field: Backend
- Stars:26K
- committed 1d ago
- Apache-2.0
- CONTRIBUTING
Score79 out of 100 contributor score, very welcomingFirst-PR friendly
hub4j/github-api
Java API for GitHub
25good first issues
- Java
- Field: Backend
- Stars:1.3K
- committed 3w ago
- MIT
- CONTRIBUTING
Score79 out of 100 contributor score, very welcomingFirst-PR friendly
openPMD/openPMD-api
:floppy_disk: C++ & Python API for Scientific I/O
32good first issues+36 help wanted
- C++
- Field: Scientific Computing
- Field: Backend
- Stars:161
- committed 2w ago
- LGPL-3.0
- CONTRIBUTING
Score79 out of 100 contributor score, very welcomingFirst-PR friendly
juspay/hyperswitch
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity…
236good first issues+106 help wanted
- Rust
- Field: Backend
- Field: Security
- Stars:45.2K
- committed 3h ago
- Apache-2.0
- CONTRIBUTING
Score78 out of 100 contributor score, very welcomingFirst-PR friendly
temporalio/temporal
Temporal service
21good first issues+26 help wanted
- Go
- Field: Backend
- Field: OS
- Stars:23.3K
- committed 7h ago
- MIT
- CONTRIBUTING
- replies in ~8d
Score78 out of 100 contributor score, very welcoming
LibreSign/libresign
Control how your documents get signed
10good first issues+1 help wanted
- PHP
- Field: Backend
- Stars:825
- committed 5h ago
- AGPL-3.0
- CONTRIBUTING
Score78 out of 100 contributor score, very welcomingFirst-PR friendly
bitwarden/server
Bitwarden infrastructure/backend (API, database, Docker, etc).
4good first issues
- C#
- Field: Databases
- Field: Backend
- Stars:20.2K
- committed 3h ago
- CONTRIBUTING
- replies in ~1m
Score77 out of 100 contributor score, very welcomingFirst-PR friendly
grpc-ecosystem/grpc-gateway
gRPC to JSON proxy generator following the gRPC HTTP spec
5good first issues+53 help wanted
- Go
- Field: Backend
- Field: Networking
- Stars:20K
- committed 6h ago
- BSD-3-Clause
- CONTRIBUTING
- replies in ~7d
Score77 out of 100 contributor score, very welcoming
spotify/scio
A Scala API for Apache Beam and Google Cloud Dataflow.
10good first issues
- Scala
- Field: DevOps
- Field: Machine Learning
- Stars:2.6K
- committed 5d ago
- Apache-2.0
- CONTRIBUTING
Score77 out of 100 contributor score, very welcomingFirst-PR friendly
getsentry/sentry-java
A Sentry SDK for Java, Android and other JVM languages.
13good first issues+1 help wanted
- Kotlin
- Field: Mobile
- Field: Web Frontend
- Stars:1.4K
- committed 1h ago
- MIT
- CONTRIBUTING
- replies in ~17d
Score77 out of 100 contributor score, very welcoming