The cloud communication and collaboration solution for professionals.
Publisher’s description
What is Rainbow?
Rainbow by ALE International is proprietary Windows software in the project management category.
Installation and requirements
The publisher provides EXE (Inno Setup) and MSI installers for 64-bit and 32-bit Windows. The main installer is 45.2 MB. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 2.174.1.0, released on June 30, 2026. The version history goes back to February 2, 2026: 4 releases, all linked to the official files.
Popularity and file types
On Windows it registers 4 file types, including .callto, .rainbow, .sip and .tel. Similar programs include GanttProject, Aircall Workspace and Todoist.
Pros / Cons
Pros
- MSI package for managed deployment
- Documented silent install
- Installs without administrator rights
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
In short: Rainbow is a project management tool for 64-bit and 32-bit PCs. Administrators can deploy it unattended.
Is Rainbow safe to download?
- The file is served by openrainbow.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
07F8BE4CD2EA3BDEE9AE4E49751DEE2BBE5C280D5F28DEE25F6EC2141093698E· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 4 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.174.1.0Latest | June 30, 2026 | 475.7 MB | 64-bit MSI64-bit EXE (Inno Setup)64-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 2.170.5.0 | April 27, 2026 | — | 32-bit EXE (Inno Setup)64-bit EXE (Inno Setup)32-bit MSI64-bit EXE (Inno Setup) |
| 2.170.4.0 | April 9, 2026 | — | 32-bit MSI32-bit EXE (Inno Setup)64-bit MSI64-bit EXE (Inno Setup) |
| 2.165.3.0 | February 2, 2026 | — | 64-bit MSI32-bit EXE (Inno Setup)32-bit MSI32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id ALE.Rainbow -eRainbow_Installer_User_Electron_v2.174.1.0-x64.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- ALE International
- Category
- Project management
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- EXE (Inno Setup), MSI
- Version
- 2.174.1.0
- Released
- June 30, 2026
- Added to the catalogue
- March 17, 2026
- Versions listed
- 4
- Website
- openrainbow.com
- winget ID
- ALE.Rainbow
- MSI product code
- {CDD63B79-C991-4863-9FC9-30A24696C87B}
File types it opens (4)
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to Rainbow
See all ›-
Open source73.4K ↓ - Aircall Workspace1.18.20Make, receive, and manage customer communications directly from your Mac or PC.Proprietary
- Todoist9.32.0Become focused, organized, and calm with Todoist. The world’s #1 task manager and to-do list app.Proprietary13.9K ↓
-
XrmToolBox1.2026.9.78XrmToolBox is a Windows application that connects to the Common Data Service for Apps (CDS).Open source7.5K ↓ - Proprietary
- Proprietary
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Open source★ 49.2K -
Open source★ 5.6K
Frequently asked questions
Is Rainbow free?
Rainbow is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is Rainbow safe to download?
The download comes from openrainbow.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Rainbow with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Rainbow be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Rainbow run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Rainbow?
The versions page lists all 4 versions with links to their official installer files, back to February 2, 2026.
Can I use Rainbow without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Rainbow?
GanttProject, Aircall Workspace, Todoist, XrmToolBox and Lark. The alternatives page compares them.
