# Install ncnn High-performance neural network inference framework. Version 20260526 via Homebrew; verified 2026-05-27. ## Install ```sh sudo av install brew:ncnn ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install ncnn ``` Evidence: local Homebrew formula metadata ### Linux - dnf (92%): ```sh sudo dnf install ncnn ``` Evidence: Fedora Rawhide package metadata: ncnn from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#ncnn ``` Evidence: nixpkgs package indexes: pkgs/by-name/nc/ncnn/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - pacman (92%): ```sh sudo pacman -S ncnn ``` Evidence: Arch Linux sync databases: ncnn from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz - zypper (92%): ```sh sudo zypper install libncnn1 ``` Evidence: openSUSE Tumbleweed package metadata: libncnn1 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst ## Package Facts - **Package key:** brew:ncnn - **Package manager:** Homebrew - **Package manager URL:** - **Version:** 20260526 - **Source summary:** High-performance neural network inference framework - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** BSD-3-Clause - **Source archive:** - **Last updated:** 2026-05-27T07:10:20Z - **Generated:** 2026-06-10T07:18:26+00:00 ## Executables - caffe2ncnn (cli) - darknet2ncnn (cli) - mxnet2ncnn (cli) - ncnn2int8 (cli) - ncnn2mem (cli) - ncnn2table (cli) - ncnnmerge (cli) - ncnnoptimize (cli) - caffe2ncnn (alias) - darknet2ncnn (alias) - mxnet2ncnn (alias) - ncnn2int8 (alias) - ncnn2mem (alias) - ncnn2table (alias) - ncnnmerge (alias) - ncnnoptimize (alias) ## Dependencies - abseil - glslang - libomp - molten-vk - protobuf - spirv-tools ## Build Dependencies - cmake ## Install Behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-06-10 - Package-manager version: 20260526 - Package-manager updated: 2026-05-27 - Local data status: ok - Upstream repository: https://github.com/Tencent/ncnn - info: No cached GitHub release or tag data was available. ## セキュリティノート broad file, network, media, or database tool signal. - **Geiger risk:** blue / medium - broad file, network, media, or database tool signal ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** ncnn - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Nix - ncnn: normalized package name match | nixpkgs package indexes: pkgs/by-name/nc/ncnn/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - dnf - ncnn - 20250916-2.fc44: normalized package name match | Fedora Rawhide package metadata: ncnn from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | A high-performance neural network inference framework | https://github.com/Tencent/ncnn - dnf - ncnn-devel - 20250916-2.fc44: normalized package name match | Fedora Rawhide package metadata: ncnn-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | Development files for ncnn | https://github.com/Tencent/ncnn - pacman - ncnn - 20260113-5: normalized package name match | Arch Linux sync databases: ncnn from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | High-performance neural network inference framework optimized for the mobile platform | https://github.com/Tencent/ncnn - zypper - libncnn1 - 20250916-1.7: normalized package name match | openSUSE Tumbleweed package metadata: libncnn1 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | NCNN library | https://github.com/Tencent/ncnn - zypper - ncnn - 20250916-1.7: normalized package name match | openSUSE Tumbleweed package metadata: ncnn from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | A high-performance neural network inference framework | https://github.com/Tencent/ncnn - zypper - ncnn-devel - 20250916-1.7: normalized package name match | openSUSE Tumbleweed package metadata: ncnn-devel from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | Development tools for ncnn | https://github.com/Tencent/ncnn ## Related Links - [Source-control packages](https://www.automicvault.com/ja/pkg/source-control-tools/) - Belongs to a source-control command family. - [Secret-risk packages](https://www.automicvault.com/ja/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/ja/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/ja/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [protobuf](https://www.automicvault.com/ja/pkg/brew/protobuf/) - Runtime dependency declared by Homebrew. - [spirv-tools](https://www.automicvault.com/ja/pkg/brew/spirv-tools/) - Runtime dependency declared by Homebrew. - [molten-vk](https://www.automicvault.com/ja/pkg/brew/molten-vk/) - Runtime dependency declared by Homebrew. - [glslang](https://www.automicvault.com/ja/pkg/brew/glslang/) - Runtime dependency declared by Homebrew. - [cmake](https://www.automicvault.com/ja/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [djl-serving](https://www.automicvault.com/ja/pkg/brew/djl-serving/) - Shares av.db curated category or tags: cli, data, inference, machine-learning. - [lightgbm](https://www.automicvault.com/ja/pkg/brew/lightgbm/) - Shares av.db curated category or tags: cli, data, machine-learning. - [vowpal-wabbit](https://www.automicvault.com/ja/pkg/brew/vowpal-wabbit/) - Shares av.db curated category or tags: cli, data, machine-learning. - [mallet](https://www.automicvault.com/ja/pkg/brew/mallet/) - Shares av.db curated category or tags: cli, data, machine-learning. - [classifier](https://www.automicvault.com/ja/pkg/brew/classifier/) - Shares av.db curated category or tags: cli, data, machine-learning. - [rgf](https://www.automicvault.com/ja/pkg/brew/rgf/) - Shares av.db curated category or tags: cli, data, machine-learning. - [sentencepiece](https://www.automicvault.com/ja/pkg/brew/sentencepiece/) - Shares av.db curated category or tags: cli, data, machine-learning. - [mitie](https://www.automicvault.com/ja/pkg/brew/mitie/) - Shares av.db curated category or tags: cli, data, machine-learning. ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph