Open-source release hub

Fast, signed downloads for desktop apps and CLI tools

Jumping Crab is the official distribution portal for cross-platform releases, verified packages, and developer builds. Download stable versions, preview beta updates, or test nightly artifacts with published checksums and transparent release notes.

Get latest release View release notes
Windows · macOS · Linux · CLI Stable · Beta · Nightly SHA256 checksums published
Desktop App CLI Tools Developer Builds Mirrored assets
stable: v2.8.4 beta: v2.9.0-beta.2 nightly: 2026.04.12
Tagged releases 0+

Public release history across desktop and CLI targets.

Contributors 0

Maintainers and contributors shipping packages in the open.

Supported package targets 0

Installers, portable builds, archives, and CLI binaries.

Release cadence Weekly

Stable, beta, and nightly channels with transparent notes.

Release snapshot

Current distribution state for public channels, verification, and build delivery.

Latest stable Recommended
v2.8.4
Recommended for most users

Production-ready builds with predictable updates and verification metadata.

Download stable
Beta channel Preview
v2.9.0-beta.2
Preview upcoming features

Early access channel for users who want fixes and features before stable rollout.

Explore beta
Nightly builds Testing
Updated 6 hours ago
Fresh artifacts for testing

Built from the integration branch for validation, CI checks, and compatibility testing.

Review nightly
Package verification Verified
SHA256 + signatures
Signed artifacts available

Checksums and signature references are published alongside public release assets.

Verification guide
Windows .exe installer Portable .zip macOS universal builds Linux AppImage deb packages tar.gz archives CLI x64 binaries CLI arm64 binaries SHA256 checksums Detached signatures Mirror fallback Windows .exe installer Portable .zip macOS universal builds Linux AppImage deb packages tar.gz archives CLI x64 binaries CLI arm64 binaries SHA256 checksums Detached signatures Mirror fallback

Platform downloads

Official builds for major desktop environments and automation workflows.

Windows

Installer and portable packages for x64 systems.

v2.8.4
Installer (.exe) Portable (.zip)
x64 signed
build: jc-desktop_2.8.4_win_x64.exe
macOS

Signed builds for Apple Silicon and Intel.

notarized
Universal package DMG installer
Apple Silicon Intel
build: jc-desktop_2.8.4_macos_universal.dmg
Linux

AppImage, tar.gz, and distro-friendly packages.

verified
AppImage tar.gz deb
x64 arm64
build: jc-desktop_2.8.4_linux_amd64.AppImage
CLI / Packages

Minimal binaries for scripting, automation, and deployment.

multi-target
Binary archive Checksums included
x64 arm64 musl / glibc
build: jc-cli_2.8.4_linux_amd64.tar.gz

Release channels

Choose the update stream that matches your deployment tolerance and testing workflow.

Stable Recommended
Production-ready builds

Recommended for most users, team rollouts, and systems that need predictable upgrades.

  • Update frequencyScheduled minor releases
  • AudienceGeneral users and self-hosters
  • VerificationChecksums and signature references
Browse stable downloads
Version v2.8.4
Current stable release

Improved package verification, mirror fallback behavior, and packaged CLI release notes.

  • Package targets12 public artifacts
  • MirrorsNorth America · Europe · APAC
  • StatusOperational
Read release notes
Usage Verified
Default channel for installs

Use stable when you need a verified package path, archival visibility, and conservative update behavior.

  • DesktopInstaller + portable options
  • CLIVersioned binary archives
  • Archive retentionPrevious releases available
Review verification
Beta Preview
Upcoming fixes and features

For testers and maintainers who want early visibility into release candidates and platform changes.

  • Update frequencyAs candidate builds are prepared
  • AudiencePower users and testers
  • VerificationPublished checksums
Inspect beta changes
Version v2.9.0-beta.2
Current beta release

Includes the new release channel API, cleaner mirror metadata, and package verification refinement.

  • Package targets8 preview artifacts
  • DocsBeta notes included
  • Intended usePreview and validation
View beta docs
Usage Testing
Good fit for staged rollouts

Use beta when you want a release candidate path without moving all the way to nightly artifacts.

  • DesktopPreview installers available
  • CLISemver-tagged beta builds
  • Archive retentionPreserved until stable merge
Browse beta packages
Nightly Latest
Fresh integration artifacts

Built from the latest integration branch for compatibility checks, automation tests, and integration work.

  • Update frequencyContinuous / daily cadence
  • AudienceMaintainers and CI users
  • VerificationChecksums published
See nightly log
Build 2026.04.12
Current nightly artifact

Incremental CLI improvements, updated download manifest behavior, and release metadata fixes.

  • Package targets6 integration artifacts
  • RetentionRolling nightly archive
  • Ideal forValidation and issue reproduction
Review integrity metadata
Usage CI-ready
Designed for fast feedback loops

Use nightly when you need the newest artifact shape, latest fixes, or reproducible test input.

  • DesktopLimited preview builds
  • CLIPrimary nightly surface
  • Risk profileNot recommended for most users
Read channel policy

Recent releases

Recent changes across stable, beta, and nightly channels.

v2.8.4 — Improved package verification and mirror fallback

Expanded release metadata, more consistent checksum publishing, and better mirrored asset selection for public downloads.

2026-04-12 Stable
v2.8.3 — Added macOS notarized build support

Refined the packaging workflow for notarized desktop artifacts and improved release-note parity between desktop and CLI packages.

2026-04-06 Stable
v2.8.2 — Faster Linux package indexing

Reduced package discovery time for Linux artifacts and simplified archive metadata for AppImage, tar.gz, and deb outputs.

2026-03-29 Stable
v2.9.0-beta.2 — New release channel API

Introduced clearer beta metadata for downstream integrations and improved release channel differentiation in manifests.

2026-04-11 Beta
Nightly 2026.04.12 — Incremental CLI improvements

Polished binary naming for arm64 targets, improved archive manifest generation, and tightened checksum output formatting.

2026-04-12 Nightly

Package verification

Verify every package before installation. All public release artifacts include SHA256 checksums, version metadata, and signature references.

Signed builds
jumping-crab-cli_2.8.4_linux_amd64.tar.gz

Verification metadata is published with public assets so users can validate package integrity before install or distribution.

SHA256: 9af3d2e8c0e7c7881fd4428af472624f18a4f67c11b8e7df5b61c7330e6f4a7b
Signature: available (.sig) Manifest: release-manifest_2.8.4.json Verification docs: /docs/verification

Docs and quick start

Jumping Crab is a download portal with release workflows, package guidance, and verification policy in one place.

Quick start Guide
Set up Jumping Crab Desktop in minutes

Install the desktop utility, select a release channel, and verify your first public artifact.

Open quick start
Installation guide Docs
Install CLI packages on major platforms

Platform-specific setup for Windows, macOS, Linux, and minimal CLI environments.

Read install docs
Release automation docs Policy
Review release channels and artifact policies

Understand build promotion, archive retention, and verification expectations for public packages.

Explore release docs

Mirrors and delivery infrastructure

Global delivery with mirrored release assets, cached package paths, and automatic fallback routing.

North America online
Primary release mirror

Serves stable public artifacts with cached metadata and fallback-aware delivery paths.

Europe online
Regional package cache

Optimized for desktop installers, CLI archives, and consistent release manifest delivery.

Asia-Pacific online
Cached asset endpoint

Handles package replication and public release history access for cross-region downloads.

Global fallback active
Automatic fallback routing

Maintains package availability across mirrored endpoints during transient path or cache issues.

Built in the open

Release metadata, documentation updates, and packaging changes are maintained as part of an open development workflow.

Contributors 42
Active maintainer base

Moderate contributor count that fits an actively maintained open-source distribution portal.

Tagged releases 180+
Release history archive

Historical versions remain visible for download, comparison, and rollback workflows.

Package targets 12
Cross-platform coverage

Desktop installers, portable builds, package archives, and automation-friendly CLI artifacts.

Community Weekly
Steady release cadence

Release notes, documentation changes, and issue tracking follow a visible maintenance rhythm.

FAQ

Common questions about release channels, verification, and package availability.

Stable is recommended for most users. Beta and nightly are intended for preview and testing workflows.

Public release artifacts include checksum metadata and signature references so packages can be validated before installation.

Yes. Portable builds are available for selected Windows and CLI targets alongside installer and archive formats.

Previous releases remain available through the public release archive and tagged release history.

Download the published checksum file for the release, compare it against your package, and review the verification guide for your platform.

Yes. Documentation, release notes, and project workflows follow an open development model with public release metadata.