The best alternatives to Pinboard are Rebrandly, Channelkit, and Blinkenlights. If these 3 options don't work for you, we've listed a few more alternatives below.
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Universal-2 by AssemblyAI— Speech-to-Text API for conversational data
URL Shortener with custom domains. Shorten, brand and track your links with the industry-leading link management platform. Try Rebrandly for free. API, Short URL, Custom Domains.
In normal case, when you want to share links offline, you may want to use AirDrop or iMessage, but it's just complex. Use this app, you can show the QR code then let others to scan with the camera app. You can also share apps by using force touch on the icon.
Anonymously store and organize links to your favourite online content with linkstore.app. A single passphrase gives you access to your collection from any browser on any device. No personal data is ever collected so your saved links will always be anonymous.