
LinearB
GitPrime
Waydev
Swarmia
Athenian
Teamplify
DeepAffects
Software Delivery Analytics Tool for Engineering Teams. Deliver Software Faster, Better, and more Predictably.

Calendly
Cal.com
TidyCal
SavvyCal
Acuity Scheduling
Doodle
Zencal
zcal is the fastest way to schedule every meeting for Free and make it personal.

Which is more popular?
Based on our record, zcal should be more popular than Haystack Analytics. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | usehaystack.io | zcal.co |
| Pricing | ||
| Platforms | ||
| Company | Startup from the United States · 1 - 9 employees · 2019 | 2021 |
| Listed in |
In their own words, as submitted to SaaSHub.


Haystack is a real-time delivery analytics platform designed for engineering leaders like CTOs, VPs of Engineering, Directors of Software Engineering, and Engineering Managers. Haystack provides actionable insights that enable data-driven decision-making, aligning engineering performance with...
Say goodbye to cold, impersonal scheduling links. Use zcal to create beautiful, personalized booking pages that make a great first impression on your guests. It's 100% Free Forever 🔥! If everyone agrees that scheduling links help save time, then why are they so universally unloved? Today most...
What each product offers, as listed by its team.


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


No analysis of Haystack Analytics yet.
Overall verdict
Why this product is good
Recommended for
Zcal is recommended for individuals and professionals who frequently set up meetings or appointments, such as business professionals, freelancers, and entrepreneurs, as well as for teams and organizations that require a reliable and easy-to-use scheduling solution.
Walkthroughs and reviews on video.
Haystack (YC W21)
Meet zcal, the FREE personal Calendly alternative
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Haystack Analytics and zcal.
Haystack Analytics's answer
Engineering Leaders and Managers
Share your experience with using Haystack Analytics and zcal. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Haystack Analytics yet. Be the first one to post
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...
Recommendations tracked on public social media and blogs since March 2021.


Heads up: site is not loading. Ios Safari & macOS Chrome. Mixed Content: The page at 'https://usehaystack.io/' was loaded over HTTPS, but requested an insecure favicon 'http://www.usehaystack.io/favicon.ico'. This request has been... - Source: Hacker News / over 5 years ago
Hey HN! I'm Julian, co-founder of Haystack (https://usehaystack.io). We’re building one-click dashboards and alerts using Github data. While managing teams from startups to more established companies like Cloudflare, my cofounder Kan and... - Source: Hacker News / over 5 years ago
>ended up just switching over to https://zcal.co and it has been great so far Wait wait wait. It can sync my Google and Outlook calendars into a single scheduling service, and they're not charging me anything? What's the catch here? - Source: Hacker News / over 3 years ago
I've poked around a while ago at some Calendly alternatives (specifically was looking for something that was cheaper than Calendly with most of the basic features). I tried using cal.com for a bit but ended up just switching over to... - Source: Hacker News / over 3 years ago
There's an even a freer alternative, not FOSS though. http://zcal.co It also allows connection to multiple calendars. - Source: Hacker News / over 3 years ago
When comparing Haystack Analytics and zcal, you can also consider the following products.

LinearB delivers software leaders the insights they need to make their engineering teams better through a real-time SaaS platform. Visibility into key metrics paired with automated improvement actions enables software leaders to deliver more.
Compare LinearB to Haystack Analytics or zcal:

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.
Compare Calendly to Haystack Analytics or zcal:

GitPrime uses data from any Git based code repository to give management the software engineering metrics needed to move faster and optimize work patterns.
Compare GitPrime to Haystack Analytics or zcal:

Cal.com (formerly Calendso) is the open source Calendly alternative.
Compare Cal.com to Haystack Analytics or zcal:

Waydev analyzes your codebase from Github, Gitlab, Azure DevOps & Bitbucket to help you bring out the best in your engineers work.
Compare Waydev to Haystack Analytics or zcal:

Optimize your schedule with custom booking pages and calendar integrations
Compare TidyCal to Haystack Analytics or zcal: