4.7 out of 5 stars
(136 Ratings)
InboxAlly is an email deliverability platform for senders whose messages are landing in spam or promotions instead of the primary inbox. It repairs and protects sender reputation at the domain and IP level, warms up new domains and IPs on an adaptive schedule, and shows where messages actually land through inbox placement testing across Gmail, Outlook, Yahoo and other major mailbox providers. Live blacklist monitoring and deliverability alerts surface problems as they develop rather than after a campaign underperforms, and an ML-modeled sender score makes reputation measurable week to week.
InboxAlly runs alongside the stack you already have. It works with any ESP, SMTP service or custom sending infrastructure - including Mailchimp, SendGrid, Amazon SES, Brevo, Klaviyo, HubSpot and Instantly - with no migration and no change to how you send, and without handing over your sending credentials. A REST API and native integrations support programmatic setup, and separate sender profiles let agencies and multi-brand senders manage many domains side by side.
Based in New York, InboxAlly supports email marketers, agencies, cold outreach teams, SaaS senders and deliverability consultants, from a single domain to enterprise sending programs. Every plan includes a dedicated customer success manager and 24/7 live support, and evaluation starts with a 10-day free trial that requires no credit card.
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4.8 out of 5 stars
(1887 Ratings)
Tremendous is the global payouts platform for businesses sending gift cards and money at scale.
Trusted by 20,000+ leading organizations, Tremendous has delivered billions of rewards and enables businesses to reach recipients across 230+ countries and regions. Recipients have 2,500+ payout options to choose from, including gift cards, prepaid cards, cash transfers, and charitable donations.
From research incentives to marketing and sales rewards to employee recognition programs, the free-to-use platform makes it easy to send thousands of payouts quickly.
Getting started is simple: add a funding method and place your first order in minutes. Teams can send rewards via bulk upload, integration, or API. Tremendous automates language translation, currency conversion, tracking, and reporting, and includes built-in fraud controls. The result? Teams can focus on the work that matters most while Tremendous handles all the payout details.
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Riddle Quiz Maker
5.0 out of 5 stars
(25 Ratings)
Riddle is an interactive content platform for creating quizzes, polls, surveys, personality tests, prediction games, and leaderboards.
Built in a no-code editor and embed on your website, in apps, or share via direct link.
Unlike Typeform, Outgrow, and Jotform, Riddle offers unlimited responses, views, and leads at every paid tier. A quiz that goes viral costs the same as one that doesn't.
Used by BBC, Club Med, Tate, RTL, Funke Mediengruppe, Immediate Media, SRF, 20 Minuten, and the Fiesta Bowl. Built for publishers, broadcasters, sports leagues, and brands.
Key features:
36+ content formats, white-label and CSS customization, web and in-app embedding, built-in sweepstakes, native integrations (HubSpot, Salesforce, Mailchimp, Brevo, GA4, GTM), full API, AI-assisted content generation. GDPR-compliant, hosted in the EU.
Pricing from $119 to $749/month. No usage caps. 14-day free trial, 30-day money-back guarantee.
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