Software Alternatives, Accelerators & Startups

Cal.com VS Aha! Develop

Compare Cal.com VS Aha! Develop and see what are their differences

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Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.

Aha! Develop logo Aha! Develop

Take back your workflow with a fully extendable agile dev tool
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • Aha! Develop Landing page
    Landing page //
    2023-05-16

Cal.com features and specs

  • Customizable
    Cal.com allows extensive customization to fit various branding and scheduling needs, which makes it adaptable for different types of users including businesses and individuals.
  • Open-source
    Being an open-source platform, Cal.com provides the flexibility for developers to modify and extend the software as per their specific needs, fostering a collaborative development environment.
  • Integrations
    Cal.com offers a wide range of integrations with other software tools like Google Calendar, Microsoft Outlook, and Zoom, enhancing its functionality and making it easier to fit into existing workflows.
  • User-friendly Interface
    Cal.com has an intuitive and clean interface that makes it easy for users of all technical skill levels to set up and manage their scheduling.
  • Privacy-focused
    Cal.com emphasizes data privacy, ensuring user information is handled securely, which is crucial for users who need to comply with regulations like GDPR.

Possible disadvantages of Cal.com

  • Learning Curve
    Although it is highly customizable, the plethora of options and features may result in a steeper learning curve for new users who are not familiar with such scheduling tools.
  • Limited Free Version
    The free version of Cal.com comes with limitations that may not be sufficient for growing businesses or advanced users who require more comprehensive features.
  • Dependency on Integrations
    Cal.com's effectiveness heavily depends on its integrations. Without these integrations, some users might find the tool less useful or incomplete, especially if their primary tools are not supported.
  • Support
    While open-source has many benefits, it may also mean that immediate, personalized support could be limited compared to fully commercial solutions. This might pose a challenge for users needing quick resolutions.
  • Performance
    As an open-source platform, the performance might vary depending on how it is hosted and managed. Suboptimal configurations could lead to slower performance or downtimes.

Aha! Develop features and specs

  • Seamless Integration with Aha! Roadmaps
    Aha! Develop integrates tightly with Aha! Roadmaps, allowing product and engineering teams to connect strategy, features, and development work in one unified platform, reducing the need for third-party integrations.
  • Flexible Agile Workflow Support
    The tool supports Scrum, Kanban, and custom workflows, giving engineering teams the flexibility to tailor boards, sprints, and processes to fit their specific development methodology.
  • Visual Reporting and Dashboards
    Aha! Develop offers robust, customizable reporting features including burndown charts, velocity reports, and dashboards that help teams track progress and identify bottlenecks in real time.
  • Strong Customization Options
    Users can customize fields, workflows, statuses, and templates extensively, allowing teams to adapt the tool to their unique processes rather than forcing them into a rigid structure.
  • Centralized Product and Engineering Alignment
    By linking epics, features, and development tasks, it helps bridge the gap between product management and engineering teams, improving visibility and alignment on priorities and timelines.

Possible disadvantages of Aha! Develop

  • Steep Learning Curve
    New users often find the platform complex and overwhelming initially, especially teams unfamiliar with the broader Aha! suite, requiring significant time investment to fully learn its features.
  • Pricing Can Be Expensive
    Aha! Develop's pricing structure, especially when bundled with Aha! Roadmaps for full functionality, can be costly for smaller teams or startups compared to other agile development tools.
  • Limited Standalone Value
    The tool is most powerful when used alongside Aha! Roadmaps, meaning teams that only need development tracking without the product management components may find it less compelling on its own.
  • Interface Can Feel Cluttered
    Some users report that the user interface, with its many features and options, can feel cluttered and less intuitive compared to simpler, more focused development tools like Jira or Linear.
  • Performance Issues with Large Datasets
    Teams managing very large backlogs or numerous projects have reported occasional slowdowns or lag when loading boards, reports, or filtering large volumes of data.

Analysis of Cal.com

Overall verdict

  • Cal.com is generally considered a good option for scheduling and calendar management.

Why this product is good

  • Cal.com is praised for its open-source nature, allowing for greater customization and integration flexibility. It offers a user-friendly interface and supports various calendar integrations, making it a versatile tool for individuals and businesses alike.

Recommended for

  • Freelancers who need a simple yet effective scheduling tool.
  • Small businesses looking for a customizable scheduling solution.
  • Developers who appreciate open-source software and need a tool they can modify.
  • Businesses seeking a platform that can integrate with existing tools and workflows.

Analysis of Aha! Develop

Overall verdict

  • Aha! Develop is a solid choice for teams already invested in the Aha! ecosystem who need agile development and sprint management tightly integrated with product roadmapping, though it may feel like overkill or costly for small teams needing only basic issue tracking.

Why this product is good

  • Seamlessly integrates with Aha! Roadmaps for end-to-end product strategy to execution tracking
  • Supports agile frameworks like Scrum and Kanban with customizable workflows
  • Provides detailed reporting and analytics on sprint velocity, capacity, and progress
  • Enables clear alignment between engineering work and business goals/OKRs
  • Offers robust customization for fields, workflows, and templates
  • Strong integration options with tools like Jira, Slack, and GitHub

Recommended for

  • Product and engineering teams already using Aha! Roadmaps
  • Mid-to-large organizations needing tight alignment between product strategy and development execution
  • Teams practicing agile methodologies like Scrum or Kanban
  • Companies wanting unified visibility across product management and engineering
  • Organizations willing to invest in a premium tool for structured, scalable workflows

Cal.com videos

What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages

More videos:

  • Review - Cal.com Version 1.0 Launch Event

Aha! Develop videos

No Aha! Develop videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Cal.com and Aha! Develop)
Appointments and Scheduling
Developer Tools
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
Startups
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Cal.com and Aha! Develop

Cal.com Reviews

Acuity Scheduling alternatives for businesses outgrowing it
The honest read: if you're leaving Acuity because your business outgrew simple scheduling โ€” you need deposits, add-ons, multiple staff and locations, and ideally a booking site you own โ€” Opencals is built for exactly that transition, and pay-as-you-go means it costs nothing until you're earning. If you're leaving for a narrower reason, match it precisely: SimplyBook.me for...
Source: opencals.com
I've poked around a while ago at some Calendly alternatives (specifically was lo... | Hacker News
I tried using https://cal.com for a bit but ended up just switching over to https://zcal.co and it has been great so far. All these other scheduling tools end up trying to do too much and always seem to end up a bit clunky and charge absurd amounts for it

Aha! Develop Reviews

We have no reviews of Aha! Develop yet.
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Social recommendations and mentions

Based on our record, Cal.com seems to be more popular. It has been mentiond 60 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Cal.com mentions (60)

  • "You Wouldnโ€™t Steal a DIV": How I Built My Portfolio
    Then for the component library, I was really into coss ui. I stumbled upon it randomly one day and loved it so much. My Nathan's AI project already had a UI heavily inspired by cal.com: send button, message suggestions... So when I saw they had a shadcn/ui library with that kind of style, it was perfect for what I needed. - Source: dev.to / 6 months ago
  • AI Almost Sold Me a Subscription I Didn't Need
    I keep coming back to what would have happened if I didn't have a strong technical understanding of how calendar technology works โ€” the difference between local and cloud calendars, what an ICS feed is, why enterprise auth blocks third-party integrations. If this was many years ago before I gained all this experience, I would have stopped at the first confident answer from my search tool, installed one of those... - Source: dev.to / 6 months ago
  • Introducing Quackback: Open-Source Feedback Platform with a Built-in MCP Server
    Plausible brought open source to web analytics. Cal.com did it for scheduling. Formbricks did it for surveys. PostHog did it for product analytics. Quackback does it for feedback collection. - Source: dev.to / 6 months ago
  • ๐Ÿค Learn Front-End by Doing: Contribute to Cal.com's Open Source...๐Ÿš€
    In this tutorial, we'll be focusing on Cal.com:. - Source: dev.to / about 1 year ago
  • 5 Side Project Ideas for Developers to Monetize as Micro-SaaS in 2025
    Take Cal.com (https://cal.com/), formerly known as Calendso. It started as an open source alternative to Calendly which offers a free, self-hostable version for users. - Source: dev.to / over 1 year ago
View more

Aha! Develop mentions (0)

We have not tracked any mentions of Aha! Develop yet. Tracking of Aha! Develop recommendations started around May 2023.

What are some alternatives?

When comparing Cal.com and Aha! Develop, you can also consider the following products

Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.

TidyCal - Optimize your schedule with custom booking pages and calendar integrations

zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.

SetMore - Setmore offers a free, online scheduling platform for you to connect with your customers. Manage all your appointments through one simple, sleek calendar system and give your business the freedom to grow.

SavvyCal - A scheduling tool both the sender and the recipient will love.