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D (Programming Language) VS Doodle

Compare D (Programming Language) VS Doodle and see what are their differences

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D (Programming Language) logo D (Programming Language)

D is a language with C-like syntax and static typing.

Doodle logo Doodle

Make meetings happen. With Doodle, scheduling becomes quick and easy.
  • D (Programming Language) Landing page
    Landing page //
    2023-05-09
  • Doodle Landing page
    Landing page //
    2023-09-30

D (Programming Language) features and specs

  • Performance
    D is designed to be a high-performance systems programming language, offering performance comparable to C and C++ through native machine code compilation.
  • Expressiveness
    D features a rich standard library and modern language constructs, such as garbage collection, first-class arrays, and advanced templating, making it easier to write expressive and maintainable code.
  • Memory Safety
    D offers optional garbage collection along with manual memory management. This hybrid approach can help in developing safer applications by reducing memory-related errors.
  • Interoperability
    D can easily interoperate with C API, enabling seamless integration with existing C libraries and systems. It also supports better C++ interoperability compared to other languages.
  • Built-in Unit Testing
    D has built-in support for unit tests, allowing developers to write and run tests as part of the language itself, facilitating test-driven development.
  • Concurrency
    D offers built-in concurrency support with message passing, similar to the actor model found in languages like Erlang, making it easier to write concurrent and parallel programs.

Possible disadvantages of D (Programming Language)

  • Adoption
    D is not as widely adopted as other languages like C, C++, or Java. This limited adoption means fewer libraries, frameworks, and community support.
  • Toolchain Maturity
    While D's compilers and tools have improved over the years, they may still lack the maturity and feature set of more established languages, which can affect developer productivity.
  • Learning Curve
    D's richness and combination of paradigms (such as imperative, object-oriented, and functional programming) can present a steep learning curve for new developers.
  • Garbage Collection
    Although D offers optional garbage collection, its reliance on it for memory safety might be seen as a drawback for real-time system development where deterministic memory management is crucial.
  • Ecosystem
    The ecosystem for D is less vibrant compared to more popular languages, leading to potentially fewer third-party libraries, tools, and resources.
  • Standard Library Documentation
    The standard library documentation can be inconsistent or less comprehensive compared to other languages, making it difficult for developers to fully utilize all features of the language.

Doodle features and specs

  • Ease of Use
    Doodle offers an intuitive interface that allows users to easily schedule meetings and events. The process is straightforward and requires minimal technical know-how.
  • Availability Polls
    Users can create polls to find the best time for group meetings, making it simple to coordinate with multiple participants who have conflicting schedules.
  • Integrations
    Doodle integrates with major calendar systems like Google Calendar, Outlook, and iCal, allowing users to sync their appointments and schedules seamlessly.
  • Free Basic Version
    Doodle offers a free basic version with essential features, making it accessible to users who need basic scheduling without incurring any costs.
  • Reminders and Notifications
    The platform sends automatic reminders and notifications, helping to reduce the chances of participants forgetting their commitments.

Possible disadvantages of Doodle

  • Limited Free Features
    While the basic version is free, some advanced features require a subscription, which might be a drawback for users looking for comprehensive tools without costs.
  • Ads
    The free version is supported by advertisements, which can be distracting and reduce the overall user experience.
  • Privacy Concerns
    Users have to share their availability and email addresses, which raises potential privacy and data security concerns.
  • Mobile App Limitations
    The mobile application may lack some functionalities available on the web version, which could be inconvenient for users who prefer scheduling on-the-go.
  • User Interface Overload
    For some users, the interface can become cluttered, especially when managing multiple polls or events, leading to potential confusion and mismanagement.

Analysis of D (Programming Language)

Overall verdict

  • Overall, D is a solid programming language choice that balances performance with productivity. It may not be as widely adopted as some other languages, but it has a dedicated community and continues to evolve, making it a viable option for various programming tasks.

Why this product is good

  • The D programming language is considered good by many developers for various reasons. It combines the performance and low-level control of C/C++ with the expressive power and ease of use found in modern languages. D offers features like garbage collection, first-class functions, and compile-time function execution, providing both speed and flexibility. Its interoperability with C, the convenience of a powerful standard library (Phobos), and the availability of packages via the DUB package manager make it a practical choice for systems programming, application development, and rapid prototyping.

Recommended for

  • System programming enthusiasts looking for an alternative to C/C++
  • Developers interested in writing high-performance applications
  • Programmers who appreciate modern language features and strong community support
  • Projects requiring seamless C integration
  • Individuals looking for a language that supports easy code maintenance and scalability

D (Programming Language) videos

D Language Tutorial

Doodle videos

Doodly Review | Animated Doodle Video Tutorial

More videos:

  • Review - Rock-A-Doodle - AniMatโ€™s Classic Reviews
  • Demo - Doodly Review - The Easiest and Most Realistic Doodle Animation Software - Doodly Demo

Category Popularity

0-100% (relative to D (Programming Language) and Doodle)
Programming Language
100 100%
0% 0
Appointment Scheduling
0 0%
100% 100
OOP
100 100%
0% 0
Appointments and Scheduling

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare D (Programming Language) and Doodle

D (Programming Language) Reviews

We have no reviews of D (Programming Language) yet.
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Doodle Reviews

The Best 24 Appointment Scheduling Apps and Booking Software
Doodle has some cool features, like letting you create meeting polls to send to clients and prospects, suggesting meeting dates and times, and allowing voting on dates that work โ€” all with Doodleโ€™s free version. In my opinion, the free version of Doodle is a little too simple for teams that donโ€™t have enough participation to nail down a great meeting time by using the poll...
Seven Best Doodle Alternatives (Free & Paid Options)
Not only is it geared towards organizing schedules, but as a Doodle alternative, it also allows for the creation of scheduling patterns that work best for you. From the get-go, you can lay out your needs and preferences. When do you like to meet, who should attend, and where is a nearby coffee shop that can work for everyone?
The Best Alternatives to Doodle That You Should Check Out
Doodle is only one of several online scheduling software, and many consider it the best. Yet, Doodle is not the right solution for everyone. Analyzing Doodleโ€™s online reviews reveals its weaknesses.
Source: trafft.com
The 14 Best Meeting Scheduling Tools for 2022
Similarly to Doodle, Rally lets you create a poll, where the participants decide on the best time for the meeting. Apart from being completely free to use, Rallyโ€™s added bonus which put it on our list of best meeting scheduling tools for 2022 is the comment box on the poll page. This allows the participants to discuss the meeting details and talk about the agenda beforehand.
The 6 Best Calendly Alternatives in 2022 (Free & Paid Options)
To be honest, what makes Doodle so great is also one of its greatest drawbacks. Itโ€™s so uncomplicated that it lacks a great deal of functionality that more complex programs offer.

Social recommendations and mentions

Based on our record, D (Programming Language) should be more popular than Doodle. 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.

D (Programming Language) mentions (60)

  • Ask HN: What is your (AI) dev tech stack / workflow? (June 2026)
    I've spent 2 weeks (2-4h per day) to make D language[1] version of Sciter SDK [2] Choice of AI "tooling" was by accident - typed something like "how to define copy constructor in D for custom structure" in Microsoft's Copilot in Edge browser that gives context for AI. The answer was good enough for me and so I went with it further. [1] D language HQ : https://dlang.org/. - Source: Hacker News / about 2 months ago
  • Rue: Higher level than Rust, lower level than Go
    > Mostly, I am not really trying to compete with C/C++/Rust on speed, but I'm not going to add a GC either. So I'm somewhere in there. Out of curiosity, how would you compare the goals of Rue with something like D[0] or one of the ML-based languages such as OCaml[1]? 0 - https://dlang.org/ 1 - https://ocaml.org/. - Source: Hacker News / 7 months ago
  • Pony: An actor-model, capabilities-secure, high-performance programming language
    The D language home page has something similar with a drop down with code examples https://dlang.org/. - Source: Hacker News / about 1 year ago
  • Show HN: D++lang โ€“ A new systems programming language with Python-like syntax
    What is this? There's a lot of red flags here. * The name "D" for a programming language was taken in 1999: https://dlang.org/. - Source: Hacker News / about 1 year ago
  • Koto Programming Language
    >For me the biggest gap in programming languages is a rust like language with a garbage collector, instead of a borrow checker. I cannot agree more that's the much needed sweet spot/Goldilock/etc. Personally I have been advocating this approach for some times. Apparently the language is already widely available and currently has stable and wide compiler support including the venerable GNU compiler suite (GDC). It... - Source: Hacker News / over 1 year ago
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Doodle mentions (17)

  • Ask HN: Those making $500/month on side projects in 2025 โ€“ Show and tell
    How's this different than the good old Doodle everyone uses in europe at least? https://doodle.com/en/. - Source: Hacker News / 8 months ago
  • So I've had another instance where the extension was just disabled on a site.
    I made this post a few months ago regarding how the extension was just disabled on a site I had accessed. I checked trusted sites, and there was nothing there. Today, I went onto a site called doodle, I'm sure many of you have used it or heard of it, and the same thing happened. Ublockorigin was disabled. Again, this site is not present in my trusted sites. Someone suggested this was due to a firefox feature where... Source: almost 3 years ago
  • Who's up for a Shut-Up-And-Write session right now?
    Can we set up a doodle poll so everyone can vote on the time that works for them? https://doodle.com/en/. Source: about 3 years ago
  • Calendaring solutions . . .
    Otherwise the other one I've seen for our C suite is https://doodle.com/en/. Source: over 3 years ago
  • Discussion Thread
    Iโ€™ve heard good stuff about doodle https://doodle.com/en/. Source: almost 4 years ago
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What are some alternatives?

When comparing D (Programming Language) and Doodle, you can also consider the following products

C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

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.

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

SimplyBook.me - Online scheduling software that offers you a beautiful customisable booking website (or widget to your own website) to accept bookings and payments with the possibility of selling products as well.

V (programming language) - Simple, fast, safe, compiled language for developing maintainable software.

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