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Encrypted dead man's switch for digital legacy. Check in on a schedule; reminders on email, Signal, or Telegram; after your grace period with no reply, messages and files reach trusted contacts only. | 77 Free browser-based platform with AES encryption, Base64, JWT, JSON formatter, diff checker and 80+ more tools. Everything runs in the browser. No data sent to any server. free online developer tools. AES, RSA, SHA, JWT, Base64, JSON, image tools, format converters, DNS lookup — all client-side, no server. |
automation, messaging, cybersecurity, privacy, monitoring, alerting, dead man's switch | JavaScript hashing, Open-source cryptography, Privacy-first, Base64, AES, RSA, Developer utilities, Offline-first, Regex tester, Client-side, Web-tools, JSON formatter, No-tracking, JWT decoder, Diff checker |
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It is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG).

Chat API and SDK. With a beautiful UI Kit, easy to use React Components and powerful API. Add Chat to any application in a matter of hours. The tech uses Go, RocksDB and Raft. By the creators of Stream, the API that powers activity feeds for more than 300 million users.

SendBird is a Messaging SDK, Chat API, and fully managed chat infrastructure for your mobile apps and websites. Embeddable chat for iOS, Android, JavaScript, Unity, .NET.

Sqreen is a security platform that helps engineering team protect their web applications, API and micro-services in real-time. The solution installs with a simple application library and doesn't require engineering resources to operate. Security anomalies triggered are reported with technical context to help engineers fix the code. Ops team can assess the impact of attacks and monitor suspicious user accounts involved.

Add a powerful, simple and flexible 2FA verification view to your login flow, without making any DB changes and just 3 API calls.

Sinch makes it easy for developers to add voice, messaging and SMS to their apps with just a few lines of code. Enrich your apps with communications that your users will love.

Add In-App User-to-User Communication into Mobile Apps & Websites, with rich & engaging Text Chat, Video, and Audio Calling experiences, to Increase User Engagement and Enable new Revenue Streams.

Agora.io provides building blocks for you to add real-time voice and video communications through a simple and powerful SDK. You can integrate the Agora SDK to enable real-time communications in your own application quickly.

It adds the clarity and emotion of face-to-face communication to your brand whether you're developing for the web, iOS, or Android. We make the integration of high-quality live video a breeze so that you can focus on building a great product.

It is a self-managed server that secures access to your applications and APIs with OAuth 2.0 and OpenID Connect. It is OpenID Connect Certified and optimized for latency, high throughput, and low resource consumption.