{
  "schema_version": "1.2.0",
  "date": "2026-07-20",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-07-19T17:27:11Z",
  "window_end": "2026-07-20T18:23:21Z",
  "window_quality": {
    "duration_minutes": 1496,
    "valid_for_ranking": true,
    "reason": "valid"
  },
  "candidate_count": 2000,
  "collection": {
    "search_result_counts": {
      "recent_created": 1000,
      "recent_active": 500,
      "established_active": 500
    },
    "unique_discovered_count": 1898,
    "candidate_added_count": 992,
    "candidate_removed_count": 991,
    "api_request_count": 659,
    "api_retry_count": 1,
    "snapshot_expected_count": 2000,
    "snapshot_complete_count": 2000,
    "snapshot_completeness": 1.0
  },
  "language": "C",
  "slug": "c-6b23c0d5",
  "eligible_count": 35,
  "entries": [
    {
      "repository_id": 1286080397,
      "full_name": "JustVugg/colibri",
      "description": "Run GLM-5.2 (744B MoE) on a 25GB-RAM consumer machine — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦",
      "language": "C",
      "stars_total": 16827,
      "stars_gained": 440,
      "html_url": "https://github.com/JustVugg/colibri",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/13022503?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        851,
        null,
        null,
        null,
        440
      ],
      "rank": 1,
      "rank_change": null
    },
    {
      "repository_id": 1166102148,
      "full_name": "DeusData/codebase-memory-mcp",
      "description": "High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.",
      "language": "C",
      "stars_total": 33197,
      "stars_gained": 280,
      "html_url": "https://github.com/DeusData/codebase-memory-mcp",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/81762164?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        null,
        null,
        null,
        null,
        280
      ],
      "rank": 2,
      "rank_change": null
    },
    {
      "repository_id": 2325298,
      "full_name": "torvalds/linux",
      "description": "Linux kernel source tree",
      "language": "C",
      "stars_total": 239926,
      "stars_gained": 98,
      "html_url": "https://github.com/torvalds/linux",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1024025?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        null,
        null,
        null,
        null,
        98
      ],
      "rank": 3,
      "rank_change": null
    },
    {
      "repository_id": 1614410,
      "full_name": "FFmpeg/FFmpeg",
      "description": "Mirror of https://git.ffmpeg.org/ffmpeg.git",
      "language": "C",
      "stars_total": 62242,
      "stars_gained": 48,
      "html_url": "https://github.com/FFmpeg/FFmpeg",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/729418?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        27,
        null,
        null,
        null,
        48
      ],
      "rank": 4,
      "rank_change": null
    },
    {
      "repository_id": 13233158,
      "full_name": "obsproject/obs-studio",
      "description": "OBS Studio - Free and open source software for live streaming and screen recording",
      "language": "C",
      "stars_total": 73993,
      "stars_gained": 33,
      "html_url": "https://github.com/obsproject/obs-studio",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/7725691?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        19,
        null,
        null,
        null,
        33
      ],
      "rank": 5,
      "rank_change": null
    },
    {
      "repository_id": 36836475,
      "full_name": "tmux/tmux",
      "description": "tmux source code",
      "language": "C",
      "stars_total": 47906,
      "stars_gained": 25,
      "html_url": "https://github.com/tmux/tmux",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/12054114?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        55,
        null,
        null,
        null,
        25
      ],
      "rank": 6,
      "rank_change": null
    },
    {
      "repository_id": 184456251,
      "full_name": "microsoft/PowerToys",
      "description": "Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows",
      "language": "C",
      "stars_total": 136588,
      "stars_gained": 20,
      "html_url": "https://github.com/microsoft/PowerToys",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/6154722?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        -47,
        null,
        null,
        null,
        20
      ],
      "rank": 7,
      "rank_change": null
    },
    {
      "repository_id": 340181518,
      "full_name": "fastfetch-cli/fastfetch",
      "description": "A maintained, feature-rich and performance oriented, neofetch like system information tool.",
      "language": "C",
      "stars_total": 23821,
      "stars_gained": 16,
      "html_url": "https://github.com/fastfetch-cli/fastfetch",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/136235211?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        19,
        null,
        null,
        null,
        16
      ],
      "rank": 8,
      "rank_change": null
    },
    {
      "repository_id": 35780977,
      "full_name": "ImageMagick/ImageMagick",
      "description": "ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.",
      "language": "C",
      "stars_total": 16988,
      "stars_gained": 15,
      "html_url": "https://github.com/ImageMagick/ImageMagick",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/12486768?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        7,
        null,
        null,
        null,
        15
      ],
      "rank": 9,
      "rank_change": null
    },
    {
      "repository_id": 4869294,
      "full_name": "radareorg/radare2",
      "description": "UNIX-like reverse engineering framework and command-line toolset",
      "language": "C",
      "stars_total": 24398,
      "stars_gained": 14,
      "html_url": "https://github.com/radareorg/radare2",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/2842539?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        6,
        null,
        null,
        null,
        14
      ],
      "rank": 10,
      "rank_change": null
    },
    {
      "repository_id": 254327261,
      "full_name": "sandboxie-plus/Sandboxie",
      "description": "Sandboxie Plus & Classic",
      "language": "C",
      "stars_total": 18953,
      "stars_gained": 14,
      "html_url": "https://github.com/sandboxie-plus/Sandboxie",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/63755826?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        10,
        null,
        null,
        null,
        14
      ],
      "rank": 11,
      "rank_change": null
    },
    {
      "repository_id": 84240850,
      "full_name": "timescale/timescaledb",
      "description": "A time-series database for high-performance real-time analytics packaged as a Postgres extension",
      "language": "C",
      "stars_total": 23140,
      "stars_gained": 13,
      "html_url": "https://github.com/timescale/timescaledb",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/8986001?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        6,
        null,
        null,
        null,
        13
      ],
      "rank": 12,
      "rank_change": null
    },
    {
      "repository_id": 7634677,
      "full_name": "openssl/openssl",
      "description": "General purpose TLS and crypto library",
      "language": "C",
      "stars_total": 30486,
      "stars_gained": 12,
      "html_url": "https://github.com/openssl/openssl",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/3279138?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        12
      ],
      "rank": 13,
      "rank_change": null
    },
    {
      "repository_id": 927442,
      "full_name": "postgres/postgres",
      "description": "Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch",
      "language": "C",
      "stars_total": 21531,
      "stars_gained": 12,
      "html_url": "https://github.com/postgres/postgres",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/177543?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        12,
        null,
        null,
        null,
        12
      ],
      "rank": 14,
      "rank_change": null
    },
    {
      "repository_id": 3299208,
      "full_name": "videolan/vlc",
      "description": "VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc",
      "language": "C",
      "stars_total": 19062,
      "stars_gained": 11,
      "html_url": "https://github.com/videolan/vlc",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1389585?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        10,
        null,
        null,
        null,
        11
      ],
      "rank": 15,
      "rank_change": null
    },
    {
      "repository_id": 65899476,
      "full_name": "espressif/esp-idf",
      "description": "Espressif IoT Development Framework. Official development framework for Espressif SoCs.",
      "language": "C",
      "stars_total": 18576,
      "stars_gained": 11,
      "html_url": "https://github.com/espressif/esp-idf",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/9460735?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        7,
        null,
        null,
        null,
        11
      ],
      "rank": 16,
      "rank_change": null
    },
    {
      "repository_id": 330008801,
      "full_name": "libsdl-org/SDL",
      "description": "Simple DirectMedia Layer",
      "language": "C",
      "stars_total": 16142,
      "stars_gained": 11,
      "html_url": "https://github.com/libsdl-org/SDL",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/77683370?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        7,
        null,
        null,
        null,
        11
      ],
      "rank": 17,
      "rank_change": null
    },
    {
      "repository_id": 775743011,
      "full_name": "valkey-io/valkey",
      "description": "A flexible distributed key-value database that is optimized for caching and other realtime workloads.",
      "language": "C",
      "stars_total": 26564,
      "stars_gained": 8,
      "html_url": "https://github.com/valkey-io/valkey",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/164458127?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        10,
        null,
        null,
        null,
        8
      ],
      "rank": 18,
      "rank_change": null
    },
    {
      "repository_id": 4151993,
      "full_name": "OpenVPN/openvpn",
      "description": "OpenVPN  is  an open source VPN daemon",
      "language": "C",
      "stars_total": 14264,
      "stars_gained": 8,
      "html_url": "https://github.com/OpenVPN/openvpn",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1569141?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        8,
        null,
        null,
        null,
        8
      ],
      "rank": 19,
      "rank_change": null
    },
    {
      "repository_id": 15337142,
      "full_name": "micropython/micropython",
      "description": "MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems",
      "language": "C",
      "stars_total": 21914,
      "stars_gained": 5,
      "html_url": "https://github.com/micropython/micropython",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/6298560?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        5
      ],
      "rank": 20,
      "rank_change": null
    },
    {
      "repository_id": 470579591,
      "full_name": "DarkFlippers/unleashed-firmware",
      "description": "Flipper Zero Unleashed Firmware",
      "language": "C",
      "stars_total": 21861,
      "stars_gained": 5,
      "html_url": "https://github.com/DarkFlippers/unleashed-firmware",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/115378555?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        5
      ],
      "rank": 21,
      "rank_change": null
    },
    {
      "repository_id": 37060852,
      "full_name": "betaflight/betaflight",
      "description": "Open Source Flight Controller Firmware",
      "language": "C",
      "stars_total": 11231,
      "stars_gained": 5,
      "html_url": "https://github.com/betaflight/betaflight",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/19597933?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        2,
        null,
        null,
        null,
        5
      ],
      "rank": 22,
      "rank_change": null
    },
    {
      "repository_id": 192805335,
      "full_name": "microsoft/mimalloc",
      "description": "mimalloc is a compact general purpose allocator with excellent performance.",
      "language": "C",
      "stars_total": 13203,
      "stars_gained": 4,
      "html_url": "https://github.com/microsoft/mimalloc",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/6154722?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        4
      ],
      "rank": 23,
      "rank_change": null
    },
    {
      "repository_id": 5101141,
      "full_name": "jqlang/jq",
      "description": "Command-line JSON processor",
      "language": "C",
      "stars_total": 35253,
      "stars_gained": 3,
      "html_url": "https://github.com/jqlang/jq",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/104800540?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        null,
        null,
        null,
        null,
        3
      ],
      "rank": 24,
      "rank_change": null
    },
    {
      "repository_id": 45821540,
      "full_name": "openwrt/openwrt",
      "description": "This repository is a mirror of https://git.openwrt.org/openwrt/openwrt.git It is for reference only and is not active for check-ins.  We will continue to accept Pull Requests here. They will be merged via staging trees then into openwrt.git.",
      "language": "C",
      "stars_total": 27601,
      "stars_gained": 3,
      "html_url": "https://github.com/openwrt/openwrt",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/2528830?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        11,
        null,
        null,
        null,
        3
      ],
      "rank": 25,
      "rank_change": null
    },
    {
      "repository_id": 32873313,
      "full_name": "systemd/systemd",
      "description": "The systemd System and Service Manager ",
      "language": "C",
      "stars_total": 16514,
      "stars_gained": 3,
      "html_url": "https://github.com/systemd/systemd",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1918868?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        3
      ],
      "rank": 26,
      "rank_change": null
    },
    {
      "repository_id": 1979797,
      "full_name": "FreeRDP/FreeRDP",
      "description": "FreeRDP is a free remote desktop protocol library and clients",
      "language": "C",
      "stars_total": 13463,
      "stars_gained": 3,
      "html_url": "https://github.com/FreeRDP/FreeRDP",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/663376?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        11,
        null,
        null,
        null,
        3
      ],
      "rank": 27,
      "rank_change": null
    },
    {
      "repository_id": 105944401,
      "full_name": "yugabyte/yugabyte-db",
      "description": "YugabyteDB - the cloud native distributed SQL database for mission-critical applications.",
      "language": "C",
      "stars_total": 10422,
      "stars_gained": 3,
      "html_url": "https://github.com/yugabyte/yugabyte-db",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/17074854?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        1,
        null,
        null,
        null,
        3
      ],
      "rank": 28,
      "rank_change": null
    },
    {
      "repository_id": 1903522,
      "full_name": "php/php-src",
      "description": "The PHP Interpreter",
      "language": "C",
      "stars_total": 40245,
      "stars_gained": 2,
      "html_url": "https://github.com/php/php-src",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/25158?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        3,
        null,
        null,
        null,
        2
      ],
      "rank": 29,
      "rank_change": null
    },
    {
      "repository_id": 3199002,
      "full_name": "raspberrypi/linux",
      "description": "Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/",
      "language": "C",
      "stars_total": 13016,
      "stars_gained": 2,
      "html_url": "https://github.com/raspberrypi/linux",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1294177?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        3,
        null,
        null,
        null,
        2
      ],
      "rank": 30,
      "rank_change": null
    },
    {
      "repository_id": 21329550,
      "full_name": "wireshark/wireshark",
      "description": "Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. You're welcome to submit pull requests there.",
      "language": "C",
      "stars_total": 9620,
      "stars_gained": 2,
      "html_url": "https://github.com/wireshark/wireshark",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/6233056?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        4,
        null,
        null,
        null,
        2
      ],
      "rank": 31,
      "rank_change": null
    },
    {
      "repository_id": 437011,
      "full_name": "openzfs/zfs",
      "description": "OpenZFS on Linux and FreeBSD",
      "language": "C",
      "stars_total": 12343,
      "stars_gained": 1,
      "html_url": "https://github.com/openzfs/zfs",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/4510897?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        3,
        null,
        null,
        null,
        1
      ],
      "rank": 32,
      "rank_change": null
    },
    {
      "repository_id": 41394739,
      "full_name": "libratbag/libratbag",
      "description": "A DBus daemon to configure input devices, mainly high-end and gaming mice",
      "language": "C",
      "stars_total": 2533,
      "stars_gained": 1,
      "html_url": "https://github.com/libratbag/libratbag",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/13972444?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        1,
        null,
        null,
        null,
        1
      ],
      "rank": 33,
      "rank_change": null
    },
    {
      "repository_id": 689344,
      "full_name": "libretro/RetroArch",
      "description": "Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3.",
      "language": "C",
      "stars_total": 13382,
      "stars_gained": 0,
      "html_url": "https://github.com/libretro/RetroArch",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/1812827?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        9,
        null,
        null,
        null,
        0
      ],
      "rank": 34,
      "rank_change": null
    },
    {
      "repository_id": 7177269,
      "full_name": "shadowsocks/shadowsocks-libev",
      "description": "Bug-fix-only libev port of shadowsocks. Future development moved to shadowsocks-rust",
      "language": "C",
      "stars_total": 16184,
      "stars_gained": -2,
      "html_url": "https://github.com/shadowsocks/shadowsocks-libev",
      "owner_avatar_url": "https://avatars.githubusercontent.com/u/3006190?v=4",
      "knowledge_url": null,
      "trend_7d": [
        null,
        null,
        1,
        null,
        null,
        null,
        -2
      ],
      "rank": 35,
      "rank_change": null
    }
  ]
}
