Software Alternatives & Startups

Rectangle VS UnionStack.ca

Compare Rectangle VS UnionStack.ca and see what are their differences

Rectangle

Window management app based on Spectacle, written in Swift.

Rating
0 reviews
Pricing
Open source
UnionStack.ca

Union management software that keeps people, structure, agreements, cases, communications, meetings and operations connected.

Rating
0 reviews
Pricing
Paid Free trial CA$99.99 / Monthly (Per User Subscription)
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Rectangle seems to be more popular. It has been mentioned 480 times since March 2021.

social mentions
480 vs 0
Mac Tools popularity
100% vs 0%
alternatives listed
240+ vs 3

Base details

Website, pricing, platforms and company facts side by side.

Rectangle
UnionStack.ca
Website rectangleapp.com unionstack.ca
Pricing
Open source
Paid Free trial CA$99.99 / Monthly (Per User Subscription) Official pricing
Platforms —
Web
Company — Startup from Canada · 2026
Listed in

About Rectangle and UnionStack.ca

In their own words, as submitted to SaaSHub.

Rectangle
UnionStack.ca

No description of Rectangle yet.

UnionStack is a web-based management platform for labour unions. It connects membership records, organizations, casework, communications, and member services in one system, helping staff keep information organized and coordinate their daily work. Unions can configure the platform around their own...

Read more about UnionStack.ca

Features and specs

What each product offers, as listed by its team.

Rectangle 5 features
UnionStack.ca 25 features
  • Ease of Use
    Rectangle offers an intuitive user interface that makes window management straightforward and user-friendly.
  • Customizable Shortcuts
    Users can easily configure keyboard shortcuts to better suit their workflow, making window management faster and more efficient.
  • Free
    Rectangle is available for free, making it accessible to anyone without the need for a financial investment.
  • Frequent Updates
    The app receives regular updates, introducing new features and ensuring compatibility with the latest macOS versions.
  • Lightweight
    Rectangle is a lightweight application that doesn't consume many system resources, ensuring smooth performance even on older Macs.

Possible disadvantages

  • Limited Advanced Features
    Rectangle lacks some of the more advanced features found in paid window management applications, such as multiple monitor support and more complex window arrangements.
  • MacOS Only
    Rectangle is only available for macOS, so users of other operating systems are unable to take advantage of its features.
  • Occasional Bugs
    Some users report occasional bugs or unpredictable behavior, which might require troubleshooting or waiting for a future update.
  • Learning Curve for Shortcuts
    While customizable shortcuts are a benefit, there is an initial learning curve for users to memorize and effectively use these shortcuts.
  • Basic Aesthetic
    The app's design and aesthetic are quite basic, lacking the polish and visual appeal found in some other similar tools.
  • Member Directory
    Keep member records organized and searchable.
  • Custom Fields
    Capture information specific to your union.
  • Data Import
    Import records and review duplicates.
  • Organizational Structure
    Connect locals, employers, worksites, and committees.
  • Position Tracking
    Track member assignments and leadership terms.
  • Grievance Management
    Manage grievances from intake to resolution.
  • Case Workflows
    Configure stages, assignments, and responsibilities.
  • Deadline Tracking
    Track case deadlines and progress.
  • Collective Agreements
    Compare articles across agreement versions.
  • Email Integration
    Connect mailboxes and manage threaded conversations.
  • Bulk Messaging
    Send messages to selected member groups.
  • Meeting Management
    Organize agendas, minutes, decisions, and actions.
  • Event Registration
    Manage registrations, capacity, and waitlists.
  • Attendance Tracking
    Record event attendance and completion.
  • Member Portal
    Give members access to relevant personal records.
  • Union Websites
    Publish branded websites on custom domains.
  • Expense Claims
    Submit, review, and approve member expenses.
  • Dues Remittance
    Import employer dues files and reconcile payments.
  • Membership Analytics
    Analyze membership changes, tenure, and retention.
  • Case Analytics
    Monitor caseloads, trends, deadlines, and outcomes.
  • Staff Dashboard
    See assigned work and upcoming activity.
  • Document Management
    Store documents alongside related records.
  • Role-Based Permissions
    Control access by role and responsibility.
  • Audit History
    Track record changes and user actions.
  • API Access
    Connect UnionStack with other systems.

Analysis

An editorial look at what each product does well and who it suits.

Rectangle
UnionStack.ca

Overall verdict

  • Overall, Rectangle is highly regarded for its ease of use, extensive customization options, and the fact that it is free and open-source. It provides essential functionality without unnecessary complexity, making it suitable for both casual users and power users who need efficient window management.

Why this product is good

  • Rectangle is a popular window management tool for macOS, known for its simplicity and ease of use. It allows users to efficiently organize and resize application windows using customizable keyboard shortcuts or by dragging windows into pre-defined areas of the screen. This can enhance productivity by minimizing the time spent arranging windows and improving multitasking capabilities.

Recommended for

    Rectangle is recommended for macOS users looking for a straightforward, lightweight solution to manage application windows. It is particularly beneficial for those who frequently work with multiple applications at once, including developers, designers, and anyone who values a tidy and organized desktop environment.

No analysis of UnionStack.ca yet.

Videos

Walkthroughs and reviews on video.

Rectangle 3 videos + Add
UnionStack.ca 0 videos + Add

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No UnionStack.ca videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Rectangle
UnionStack.ca
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
CRM
100% 100%

Questions & Answers

As answered by people managing Rectangle and UnionStack.ca.

Which are the primary technologies used for building your product?

UnionStack.ca's answer:

UnionStack is built with C# and ASP.NET Core on .NET 10, using PostgreSQL and Entity Framework Core for data management. Supporting technologies include Redis, SignalR for real-time updates, OpenIddict for authentication, Azure Blob Storage for documents, and Docker for deployment.

What's the story behind your product?

UnionStack.ca's answer:

UnionStack addresses a practical challenge: union work spans many connected records and responsibilities. A single member may hold multiple positions, participate in a grievance, attend meetings, and exchange correspondence with several representatives. UnionStack brings that context together to make everyday administration clearer and easier to coordinate.

How would you describe the primary audience of your product?

UnionStack.ca's answer:

UnionStack serves labour unions, including locals, regional bodies, and larger union organizations. Its primary users are union administrators, membership staff, representatives, grievance officers, and finance teams. Members use the portal to access relevant information and services

Why should a person choose your product over its competitors?

UnionStack.ca's answer:

UnionStack is a strong fit for unions seeking membership management, grievance tracking, communications, and member self-service in one platform. Its connected records help reduce fragmented information, while configurable workflows, reporting, and audit histories support consistent administration.

What makes your product unique?

UnionStack.ca's answer:

UnionStack connects the people, organizations, agreements, and casework behind everyday union operations. Member records link to positions, grievances, meetings, and correspondence, helping staff understand the full context while respecting access permissions. Configurable structures and workflows let unions reflect their own organization and terminology.

User comments

Share your experience with using Rectangle and UnionStack.ca. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Rectangle no reviews yet
UnionStack.ca no reviews yet
  • Best 6 Mac Window Managers
    mackeeper.com · Sep 2023

    Rectangle shows that you don’t need to dip into your bank account to get window resizer tools. This free Mac window manager lets you manage multiple windows using keyboard shortcuts, menu options, or by dragging and...

  • Top 6 Window Manager Apps for Mac

    Most window manager apps for Mac support multiple monitors. They can help you move windows between screens and create custom layouts for each monitor. Many window manager apps – such as BetterSnapTool, Magnet, and...

  • The 6 Best Mac Window Management Tools
    www.makeuseof.com · Apr 2023

    However, it might take some time for you to get used to the shortcuts in the Rectangle app since there are many. Furthermore, you can also add some of your apps to exceptions if you want to keep them away from...

We have no reviews of UnionStack.ca yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Rectangle 480 mentions
UnionStack.ca 0 mentions
  • Apple introduces M6 and M5 Ultra for a big leap in performance and AI compute
    Rectangle solved my macos window management annoyances. https://rectangleapp.com/ Not involved in dev of this, just a happy user. - Source: Hacker News / about 1 month ago
  • Ubuntu 26.04 LTS Released
    As a both old Linux and now decade user of MacOS, after I got used to no middle-click paste and no focus-follows-mouse: 1. Keyboard shortcuts are Emacs, Ctrl-A: start of line, E: end of line, K: kill selected or to end of line, Y to... - Source: Hacker News / 5 months ago
  • Native Instant Space Switching on macOS
    Every macOS user uses Rectangle.app — https://rectangleapp.com The ones who don't use it is because they don’t know it exists. - Source: Hacker News / 6 months ago

View more

Tracking UnionStack.ca since Sep 2026.

Alternatives to Rectangle and UnionStack.ca

When comparing Rectangle and UnionStack.ca, you can also consider the following products.