YAML alternatives
As of 4 November 2026, 39 api specs data formats are named by companies instead of YAML: JSON by 6,396 companies, XML by 5,264, Model Context Protocol by 4,892.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- YAML, companies in postings
- 1,029
- Most used alternative
- JSON · 6,396
- Fastest hiring, 90 days
- JSON
- Alternatives ranked
- 39
- Catalogue
- T-1.0.1-prov
api specs data formats companies choose instead of YAML
Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.
| # | Alternative | Companies | companies | vs YAML | postings, 90 d | Compare |
|---|---|---|---|---|---|---|
| 1 | JSONEcma International | 6,396 | 622% | 19,737 | YAML vs JSON → | |
| 2 | XMLW3C | 5,264 | 512% | 12,841 | YAML vs XML → | |
| 3 | Model Context ProtocolAnthropic | 4,892 | 475% | 16,002 | YAML vs Model Context Protocol → | |
| 4 | GraphQLGraphQL Foundation | 4,089 | 397% | 12,076 | YAML vs GraphQL → | |
| 5 | SOAPW3C | 3,661 | 356% | 10,243 | YAML vs SOAP → | |
| 6 | gRPCCloud Native Computing Foundation | 1,753 | 170% | 4,571 | YAML vs gRPC → | |
| 7 | OpenAPIOpenAPI Initiative | 1,432 | 139% | 3,245 | YAML vs OpenAPI → | |
| 8 | Microsoft GraphMicrosoft | 942 | 92% | 2,115 | YAML vs Microsoft Graph → | |
| 9 | ODataOASIS | 844 | 82% | 3,073 | YAML vs OData → | |
| 10 | XSLTW3C | 820 | 80% | 1,501 | YAML vs XSLT → | |
| 11 | CSVIETF | 782 | 76% | 1,180 | YAML vs CSV → | |
| 12 | SAP IDocSAP | 722 | 70% | 2,746 | YAML vs SAP IDoc → | |
| 13 | Apache ParquetApache Software Foundation | 690 | 67% | 1,246 | YAML vs Apache Parquet → | |
| 14 | Protocol BuffersGoogle | 566 | 55% | 1,102 | YAML vs Protocol Buffers → | |
| 15 | Agent2Agent (A2A) ProtocolLinux Foundation | 443 | 43% | 1,572 | YAML vs Agent2Agent (A2A) Protocol → | |
| 16 | PDFAdobe | 405 | 39% | 839 | YAML vs PDF → | |
| 17 | ANSI X12ASC X12 | 371 | 36% | 761 | YAML vs ANSI X12 → | |
| 18 | 337 | 33% | 585 | YAML vs Markdown → | ||
| 19 | 291 | 28% | 551 | YAML vs XML Schema (XSD) → | ||
| 20 | Apache AvroApache Software Foundation | 280 | 27% | 560 | YAML vs Apache Avro → | |
| 21 | ISO 20022ISO | 272 | 26% | 763 | YAML vs ISO 20022 → | |
| 22 | WSDLW3C | 256 | 25% | 511 | YAML vs WSDL → | |
| 23 | UN/EDIFACTUnited Nations | 253 | 25% | 406 | YAML vs UN/EDIFACT → | |
| 24 | RDFW3C | 221 | 21% | 813 | YAML vs RDF → | |
| 25 | 216 | 21% | 703 | YAML vs Web Ontology Language → | ||
| 26 | JSON SchemaJSON Schema organization | 169 | 16% | 301 | YAML vs JSON Schema → | |
| 27 | H.264ITU-T / ISO | 160 | 16% | 327 | YAML vs H.264 → | |
| 28 | XBRLXBRL International | 152 | 15% | 294 | YAML vs XBRL → | |
| 29 | RedfishDMTF | 137 | 13% | 661 | YAML vs Redfish → | |
| 30 | H.265ITU-T | 126 | 12% | 244 | soon | |
| 31 | RSSRSS Advisory Board | 122 | 12% | 321 | soon | |
| 32 | Apache ORCApache Software Foundation | 118 | 11% | 235 | soon | |
| 33 | tRPCtRPC contributors | 106 | 10% | 188 | soon | |
| 34 | RAMLMuleSoft | 105 | 10% | 187 | soon | |
| 35 | Schema.orgSchema.org | 103 | 10% | 148 | soon | |
| 36 | JSON-LDW3C | 99 | 10% | 146 | soon | |
| 37 | DITAOASIS | 96 | 9% | 197 | soon | |
| 38 | YANGIETF | 89 | 9% | 286 | soon | |
| 39 | OpenUSDAlliance for OpenUSD | 88 | 9% | 291 | soon |
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39 api specs data formats are named by companies instead of YAML: JSON by 6,396 companies, XML by 5,264, Model Context Protocol by 4,892, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/yaml/alternatives)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
- 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
- Not includedRatings, prices, feature claims, sponsored positions.
YAML alternatives: questions
What is the most used alternative to YAML?
JSON: 6,396 companies name it in their own job postings, against 1,029 for YAML.
How is this list ranked?
By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.
Does this say which is better?
No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.
Can I get the companies on any of these?
Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.
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