Linux desktop application build and packaging

Our company is engaged in the development, support and maintenance of sites of any complexity. From simple one-page sites to large-scale cluster systems built on micro services. Experience of developers is confirmed by certificates from vendors.
8+Years of work900+Completed projects100+In house employees19+Partners
Development and maintenance of all types of websites:
Informational websites or web applications
Business card websites, landing pages, corporate websites, online catalogs, quizzes, promo websites, blogs, news resources, informational portals, forums, aggregators
E-commerce websites or web applications
Online stores, B2B portals, marketplaces, online exchanges, cashback websites, exchanges, dropshipping platforms, product parsers
Business process management web applications
CRM systems, ERP systems, corporate portals, production management systems, information parsers
Electronic service websites or web applications
Classified ads platforms, online schools, online cinemas, website builders, portals for electronic services, video hosting platforms, thematic portals

These are just some of the technical types of websites we work with, and each of them can have its own specific features and functionality, as well as be customized to meet the specific needs and goals of the client.

Offered services
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Linux desktop application build and packaging
Medium
~2-3 business days
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Latest works
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Building and Signing Desktop Applications for Linux

Linux does not require mandatory code signing but provides several distribution formats with different audiences: AppImage (universal), Snap (Ubuntu), Flatpak (Fedora/Gnome).

Package formats

Format Store Audience
AppImage None (self-contained) All distributions
Snap Snapcraft Ubuntu/Canonical ecosystem
Flatpak Flathub Fedora, Gnome-oriented
.deb Custom repository Debian/Ubuntu
.rpm Custom repository Fedora/RHEL/CentOS

Electron-builder: AppImage and deb/rpm

# electron-builder.yml
linux:
  target:
    - target: AppImage
    - target: deb
    - target: rpm
  icon:      build/icons
  category:  Utility

deb:
  depends:   ['libnotify4', 'libxtst6', 'libnss3']

appImage:
  systemIntegration: ask  # ask on first launch

# Build
npx electron-builder --linux

AppImage: self-contained executable

AppImage contains all dependencies inside. User downloads one file, gives execute permissions, and runs it — without installation:

chmod +x AppName-1.0.0.AppImage
./AppName-1.0.0.AppImage

Snap package

# snapcraft.yaml
name:        appname
version:     '1.0.0'
summary:     Application Name
description: |
  Full description of the application.

grade:       stable
confinement: strict

apps:
  appname:
    command: usr/lib/appname/appname
    plugs:
      - desktop
      - network
      - home

parts:
  appname:
    plugin: dump
    source: dist/linux-unpacked
    source-type: local

# Publish to Snap Store
snapcraft login
snapcraft upload appname_1.0.0_amd64.snap --release=stable

Flatpak

<!-- com.company.AppName.yml -->
app-id: com.company.AppName
runtime: org.freedesktop.Platform
runtime-version: '23.08'
sdk: org.freedesktop.Sdk
command: appname

finish-args:
  - --share=network
  - --socket=x11
  - --socket=wayland
  - --filesystem=home

modules:
  - name: appname
    buildsystem: simple
    build-commands:
      - install -Dm755 appname /app/bin/appname

GPG package signing

# Sign deb package
dpkg-sig --sign builder AppName_1.0.0_amd64.deb

# Sign RPM
rpm --addsign AppName-1.0.0.x86_64.rpm

Timeline

Setup of AppImage + deb/rpm build + Snap publication: 2–3 business days.