
LaunchDarkly
ConfigCat
Unleash
Split.io
Growth Book
DevCycle
Flagship.io
Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

MailChimp
MailerLite
GetResponse
SendPulse
Brevo
Publicate
Listmonk
Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES

Which is more popular?
Based on our record, Sendy should be more popular than Flagsmith. It has been mentioned 45 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | flagsmith.com | sendy.co |
| Pricing | — | |
| Company | 2018 | Startup from Singapore |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Sendy is particularly recommended for small to medium-sized businesses that have a tech-savvy team capable of handling hosting requirements, as well as those who are looking for a low-cost solution to send bulk emails efficiently.
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Email Marketing With Sendy - Review & Tutorial
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External articles and on-site reviews we used to compare the two products.


BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is...
💸 cheapest Sendy: For a one-time fee, you can install the Sendy software on your own server and then affordably deliver emails via Amazon SES.
Separately, been keeping a list of Mailchimp alternatives. Sendfox works pretty well, and I plan to try out Sendy sometime soon.
Once you install Sendy on your own server, you’ll connect to Amazon SES to send the actual emails, which costs just $0.0001 per email (maybe an easier way to look at that is $1 per 10,000 emails). Plus, there’s no...
Recommendations tracked on public social media and blogs since March 2021.


Considering all these points, the team at Flagsmith has developed a feature flag management platform Flagsmith and made it open source. The core functionality is open and you can check out the GitHub repository here. I have utilized and... - Source: dev.to / over 2 years ago
Flagsmith - Release features with confidence; manage feature flags across web, mobile, and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premise. - Source: dev.to / almost 4 years ago
Flagsmith is written in Django and is open source as well: https://flagsmith.com. Source: over 4 years ago
"Preferably using shadcn/react/supabase. I don't want to reinvent the wheel here." Respectfully, you don't need supabase for a landing page with waitlist especially when you don't want to reinvest the wheel. You have several options: 1.... - Source: Hacker News / over 1 year ago
What about https://sendy.co -- 1 million is about $100. - Source: Hacker News / almost 2 years ago
You can use https://listmonk.app or https://sendy.co and use a provider lke SES under the hood. - Source: Hacker News / about 2 years ago
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Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
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Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.
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Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
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