Repositories list

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  javascriptecmascript

  HTML

  •

  Other

  •1.4k1.4k forks in tc39/ecma262•16k16k stars in tc39/ecma262•358358 issues in tc39/ecma262•130130 pull requests in tc39/ecma262•Updated Oct 25, 2026Oct 25, 2026

• tc39.github.io

  Public

  tc39/tc39.github.io’s past year of commit activity
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •6262 forks in tc39/tc39.github.io•335335 stars in tc39/tc39.github.io•1616 issues in tc39/tc39.github.io•11 pull request in tc39/tc39.github.io•Updated Oct 25, 2026Oct 25, 2026

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  tc39

  TypeScript

  •

  The Unlicense

  •1414 forks in tc39/dataset•5050 stars in tc39/dataset•22 issues in tc39/dataset•11 pull request in tc39/dataset•Updated Oct 25, 2026Oct 25, 2026

• agendas

  Public

  tc39/agendas’s past year of commit activity
  TC39 meeting agendas

  JavaScript

  •201201 forks in tc39/agendas•1.2k1.2k stars in tc39/agendas•22 issues in tc39/agendas•33 pull requests in tc39/agendas•Updated Oct 24, 2026Oct 24, 2026

• speccy

  Public
  Speccy - ECMAScript spec character picker

  TypeScript

  •

  MIT License

  •00 forks in tc39/speccy•00 stars in tc39/speccy•00 issues in tc39/speccy•00 pull requests in tc39/speccy•Updated Oct 24, 2026Oct 24, 2026

• proposal-cancellation

  Public
  Proposal for a Cancellation API for ECMAScript

  javascriptproposalecmascript+ 1

  javascriptproposalecmascriptcancellation

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •88 forks in tc39/proposal-cancellation•280280 stars in tc39/proposal-cancellation•1111 issues in tc39/proposal-cancellation•00 pull requests in tc39/proposal-cancellation•Updated Oct 23, 2026Oct 23, 2026

• proposal-math-sum

  Public archive
  TC39 proposal to add a summation method to JavaScript

  JavaScript

  •55 forks in tc39/proposal-math-sum•128128 stars in tc39/proposal-math-sum•00 issues in tc39/proposal-math-sum•00 pull requests in tc39/proposal-math-sum•Updated Oct 23, 2026Oct 23, 2026

• ecmarkup

  Public
  An HTML superset/Markdown subset source format for ECMAScript and related specifications

  TypeScript

  •

  MIT License

  •7878 forks in tc39/ecmarkup•241241 stars in tc39/ecmarkup•101101 issues in tc39/ecmarkup•1414 pull requests in tc39/ecmarkup•Updated Oct 23, 2026Oct 23, 2026

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •119119 forks in tc39/ecma402•610610 stars in tc39/ecma402•173173 issues in tc39/ecma402•1212 pull requests in tc39/ecma402•Updated Oct 23, 2026Oct 23, 2026

• proposal-async-context

  Public
  Async Context for JavaScript

  javascript

  javascript

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •2626 forks in tc39/proposal-async-context•881881 stars in tc39/proposal-async-context•2323 issues in tc39/proposal-async-context•99 pull requests in tc39/proposal-async-context•Updated Oct 23, 2026Oct 23, 2026

• proposal-temporal

  Public
  Provides standard objects and functions for working with dates and times.

  HTML

  •

  Other

  •174174 forks in tc39/proposal-temporal•3.7k3.7k stars in tc39/proposal-temporal•2525 issues in tc39/proposal-temporal•77 pull requests in tc39/proposal-temporal•Updated Oct 22, 2026Oct 22, 2026

• proposal-bigint-math

  Public
  Draft specification for supporting BigInts in JavaScript’s Math methods.

  mathproposalbigint+ 1

  mathproposalbiginttc39

  HTML

  •

  BSD 3-Clause "New" or "Revised" License

  •44 forks in tc39/proposal-bigint-math•4343 stars in tc39/proposal-bigint-math•44 issues in tc39/proposal-bigint-math•00 pull requests in tc39/proposal-bigint-math•Updated Oct 22, 2026Oct 22, 2026

• ecma426

  Public
  Source map specification, RFCs and new proposals.

  JavaScript

  •

  Other

  •3131 forks in tc39/ecma426•187187 stars in tc39/ecma426•7474 issues in tc39/ecma426•99 pull requests in tc39/ecma426•Updated Oct 22, 2026Oct 22, 2026

• source-map-tests

  Public
  JavaScript

  •

  Other

  •1313 forks in tc39/source-map-tests•1313 stars in tc39/source-map-tests•88 issues in tc39/source-map-tests•00 pull requests in tc39/source-map-tests•Updated Oct 21, 2026Oct 21, 2026

• proposal-amount

  Public
  Numbers with precision and a unit for JavaScript

  javascriptunits-of-measurenumbers+ 3

  javascriptunits-of-measurenumbersaccuracymeasurementsprecision

  HTML

  •

  MIT License

  •1212 forks in tc39/proposal-amount•6464 stars in tc39/proposal-amount•4848 issues in tc39/proposal-amount•55 pull requests in tc39/proposal-amount•Updated Oct 21, 2026Oct 21, 2026

• eshost

  Public
  A uniform wrapper around a multitude of ECMAScript hosts. CLI: https://github.com/bterlson/eshost-cli

  JavaScript

  •

  Other

  •4444 forks in tc39/eshost•147147 stars in tc39/eshost•1212 issues in tc39/eshost•33 pull requests in tc39/eshost•Updated Oct 19, 2026Oct 19, 2026

• test262

  Public
  Official ECMAScript Conformance Test Suite

  javascriptjstests+ 1

  javascriptjsteststc39

  JavaScript

  •

  Other

  •568568 forks in tc39/test262•2.8k2.8k stars in tc39/test262•215215 issues in tc39/test262•114114 pull requests in tc39/test262•Updated Oct 19, 2026Oct 19, 2026

• data

  Public

  tc39/data’s past year of commit activity
  TC39's source of truth for programmatically available process/proposal data.

  JavaScript

  •

  MIT License

  •00 forks in tc39/data•33 stars in tc39/data•11 issue in tc39/data•11 pull request in tc39/data•Updated Oct 15, 2026Oct 15, 2026

• proposals

  Public
  Tracking ECMAScript Proposals

  javascriptlanguageproposal+ 5

  javascriptlanguageproposalecmascriptspecspecificationlanguage-designcommittee

  748748 forks in tc39/proposals•19k19k stars in tc39/proposals•44 issues in tc39/proposals•44 pull requests in tc39/proposals•Updated Oct 14, 2026Oct 14, 2026

• proposal-bigint-from-exponential

  Public
  A TC39 proposal for creating bigints from exponential-notation strings

  JavaScript

  •

  MIT License

  •11 fork in tc39/proposal-bigint-from-exponential•33 stars in tc39/proposal-bigint-from-exponential•44 issues in tc39/proposal-bigint-from-exponential•00 pull requests in tc39/proposal-bigint-from-exponential•Updated Oct 11, 2026Oct 11, 2026

• proposal-iterator-join

  Public archive
  JS proposal for a means to concatenate the contents of an iterator into a string

  JavaScript

  •

  MIT License

  •22 forks in tc39/proposal-iterator-join•1515 stars in tc39/proposal-iterator-join•00 issues in tc39/proposal-iterator-join•00 pull requests in tc39/proposal-iterator-join•Updated Oct 10, 2026Oct 10, 2026

• proposal-composites

  Public
  TypeScript

  •

  MIT License

  •99 forks in tc39/proposal-composites•310310 stars in tc39/proposal-composites•2828 issues in tc39/proposal-composites•00 pull requests in tc39/proposal-composites•Updated Oct 10, 2026Oct 10, 2026

• proposal-nonextensible-applies-to-private

  Public
  Proposal to disallow adding new private fields to non-extensible objects

  JavaScript

  •

  MIT License

  •22 forks in tc39/proposal-nonextensible-applies-to-private•1212 stars in tc39/proposal-nonextensible-applies-to-private•55 issues in tc39/proposal-nonextensible-applies-to-private•00 pull requests in tc39/proposal-nonextensible-applies-to-private•Updated Oct 7, 2026Oct 7, 2026

• proposal-intl-sequence-units

  Public
  Support for CLDR mixed units, like "5ft 6in"

  JavaScript

  •

  MIT License

  •11 fork in tc39/proposal-intl-sequence-units•11 star in tc39/proposal-intl-sequence-units•66 issues in tc39/proposal-intl-sequence-units•11 pull request in tc39/proposal-intl-sequence-units•Updated Oct 5, 2026Oct 5, 2026

• proposal-frozen-json-modules

  Public
  Proposal for `with { type: "json", freeze: true }`

  JavaScript

  •

  MIT License

  •00 forks in tc39/proposal-frozen-json-modules•00 stars in tc39/proposal-frozen-json-modules•00 issues in tc39/proposal-frozen-json-modules•00 pull requests in tc39/proposal-frozen-json-modules•Updated Oct 1, 2026Oct 1, 2026

• proposal-thenable-curtailment

  Public
  A proposal to curtail the power of "thenable" objects.

  MIT License

  •22 forks in tc39/proposal-thenable-curtailment•1616 stars in tc39/proposal-thenable-curtailment•66 issues in tc39/proposal-thenable-curtailment•00 pull requests in tc39/proposal-thenable-curtailment•Updated Sep 30, 2026Sep 30, 2026

• proposal-export-star-default

  Public
  Proposal to include default export in `export * from 'module'`

  JavaScript

  •

  MIT License

  •00 forks in tc39/proposal-export-star-default•1818 stars in tc39/proposal-export-star-default•22 issues in tc39/proposal-export-star-default•00 pull requests in tc39/proposal-export-star-default•Updated Sep 30, 2026Sep 30, 2026

• proposal-deferred-reexports

  Public
  MIT License

  •66 forks in tc39/proposal-deferred-reexports•6363 stars in tc39/proposal-deferred-reexports•66 issues in tc39/proposal-deferred-reexports•00 pull requests in tc39/proposal-deferred-reexports•Updated Sep 29, 2026Sep 29, 2026

• proposal-intl-unit-protocol

  Public
  TC39 proposal for adding units to format functions

  JavaScript

  •

  MIT License

  •00 forks in tc39/proposal-intl-unit-protocol•88 stars in tc39/proposal-intl-unit-protocol•33 issues in tc39/proposal-intl-unit-protocol•00 pull requests in tc39/proposal-intl-unit-protocol•Updated Sep 29, 2026Sep 29, 2026

• proposal-esm-phase-imports

  Public
  HTML

  •

  MIT License

  •44 forks in tc39/proposal-esm-phase-imports•5353 stars in tc39/proposal-esm-phase-imports•55 issues in tc39/proposal-esm-phase-imports•44 pull requests in tc39/proposal-esm-phase-imports•Updated Sep 29, 2026Sep 29, 2026