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Curated Collections

Open Standards & Specifications

Repositories hosting open standards and normative specification documents that define protocols, APIs, and interoperability guidelines for software ecosystems.

The Linux Foundation

by The Linux Foundation

58 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
OpenTelemetry
26,276
5,476
$323M
Cloud Native Computing Foundation (CNCF)
12,890
3,540
$3.5B
ONNX
8,081
1,030
$52M
RISC-V International
4,154
966
$54M
Open Container Initiative (OCI)
2,714
932
$44M
Schema.org
1,952
542
$168M
Vulkan Validation Layers (VVL)
1,444
205
$27M
CloudEvents
1,395
504
$4.1M
Blender glTF 2.0 Importer and Exporter
1,213
212
$877K
Exercism Java Track
974
126
$3.4M
SPIRV-Cross
785
156
$11M
Experience Data Model (XDM)
729
20
$6.8M
Test262
698
186
$52M
AppStream
680
140
$2.9M
Open Spec
485
105
$2M
OpenCL Conformance Test Suite
424
44
$11M
FHIR
345
30
$509M
Specref
302
79
$39M
CycloneDX Bill of Materials Specification
267
113
$4M
QUDT
243
46
$759K
Music Encoding Initiative
164
28
$2.3M
FINOS (The Fintech Open Source Foundation)
148
48
$1.4M
AI Readiness
140
46
$12K
Open Voice Network Interoperability Initiative
134
32
$6.5M
es-abstract
104
46
$3.1M
Bitol
100
20
$1.2M
CDEvents
92
42
$4M
Swag
70
39
$447K
C++ Standard Drafts
0
0
$0
CF Conventions
0
0
$0
DOM Standard
0
0
$0
Discord API Docs
0
0
$0
ECMA-402 Standardization
0
0
$0
EGL Registry
0
0
$0
Fetch Standard
0
0
$0
Frictionless Data
0
0
$0
GitHub Webhooks Specifications
0
0
$0
JSON Schema Project
0
0
$0
Lightning Network Specifications
0
0
$0
Matrix Protocol Specification
0
0
$0
Matroska Specification
0
0
$0
Nostr
0
0
$0
OGC API - Features
0
0
$0
Open UI
0
0
$0
OpenGL-Registry
0
0
$0
PSR (PHP Standards Recommendations)
0
0
$0
TEI Guidelines
0
0
$0
URL Standard
0
0
$0
VIRTIO Specification
0
0
$0
WCAG
0
0
$0
Web Authentication
0
0
$0
WebAssembly Specification
0
0
$0
WebAssembly Tool Conventions
0
0
$0
WebDriver
0
0
$0
WebGPU
0
0
$0
WebRTC 1.0
0
0
$0
spdx/license-list-XML
0
0
$0
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