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Available.FYI vs Instant Username Search

Professional comparison and analysis to help you choose the right software solution for your needs.

Available.FYI icon
Available.FYI
Instant Username Search icon
Instant Username Search

Available.FYI vs Instant Username Search: The Verdict

⚡ Summary:

Available.FYI: Available.FYI is a free open-source alternative to Calendly. It allows users to share their availability for meetings, calls, or other events via a personalized booking page. Users can set their time zone, availability, buffer times between meetings, and customize the look of their page.

Instant Username Search: Instant Username Search is a free online tool that allows you to check if a desired username or vanity URL is available across over 70 popular social media sites and apps. It provides real-time feedback on username availability to help users find an unused, unique username for their profiles.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Available.FYI Instant Username Search
Sugggest Score — —
Category Online Services Social & Communications
Pricing Open Source Free

Product Overview

Available.FYI
Available.FYI

Description: Available.FYI is a free open-source alternative to Calendly. It allows users to share their availability for meetings, calls, or other events via a personalized booking page. Users can set their time zone, availability, buffer times between meetings, and customize the look of their page.

Type: software

Pricing: Open Source

Instant Username Search
Instant Username Search

Description: Instant Username Search is a free online tool that allows you to check if a desired username or vanity URL is available across over 70 popular social media sites and apps. It provides real-time feedback on username availability to help users find an unused, unique username for their profiles.

Type: software

Pricing: Free

Key Features Comparison

Available.FYI
Available.FYI Features
  • Personalized booking page
  • Set availability and buffer times
  • Customize page design
  • Share booking page link
  • Integrates with Google Calendar
  • Open-source codebase
Instant Username Search
Instant Username Search Features
  • Real-time availability checks across over 70 social media sites and apps
  • Instant feedback on username availability
  • Ability to search for unused, unique usernames
  • Supports a wide range of popular social media platforms

Pros & Cons Analysis

Available.FYI
Available.FYI

Pros

  • Free and open source
  • Easy to self-host
  • Customizable and extensible
  • No vendor lock-in

Cons

  • Limited features compared to paid tools
  • Requires technical expertise to self-host
  • Lacks native mobile apps
Instant Username Search
Instant Username Search

Pros

  • Free to use
  • Provides a quick and easy way to find available usernames
  • Comprehensive coverage of social media sites and apps
  • Saves time and effort in the username selection process

Cons

  • Limited to username availability checks, no additional features or functionality
  • Results may not be 100% accurate as platform availability can change
  • No advanced search options or filtering capabilities

Pricing Comparison

Available.FYI
Available.FYI
  • Open Source
Instant Username Search
Instant Username Search
  • Free

Related Comparisons

Learn More About Each Product

Available.FYI
Available.FYI
Reviews, pricing & alternatives →
Instant Username Search
Instant Username Search
Reviews, pricing & alternatives →

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