{"id":597379,"date":"2026-07-21T20:32:12","date_gmt":"2026-07-21T20:32:12","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/597379\/"},"modified":"2026-07-21T20:32:12","modified_gmt":"2026-07-21T20:32:12","slug":"jack-dorsey-made-an-open-source-slack-for-humans-and-agents","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/597379\/","title":{"rendered":"Jack Dorsey made an open-source Slack for humans and agents."},"content":{"rendered":"<p>Posted Jul 21, 2026 at 7:43 PM UTC<\/p>\n<p>Jack Dorsey made an open-source Slack for humans and agents.<\/p>\n<p class=\"duet--article--dangerously-set-cms-markup duet--article--standard-paragraph _1044qizi _18mzr4b1 _18mzr4b0 _19wv7tc1\">Block\u2019s new open-source app \u201c<a href=\"https:\/\/github.com\/block\/buzz\" rel=\"nofollow noopener\" target=\"_blank\">Buzz<\/a>\u201d is a self-hosted Slack-meets-GitHub built on a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nostr\" rel=\"nofollow noopener\" target=\"_blank\">Nostr<\/a> relay. I don\u2019t have enough characters to explain what that all means, but think of it like a private Slack alternative. Oh, and you can vibe-code in it.<\/p>\n<p><a class=\"_1pegheu1\" href=\"https:\/\/platform.theverge.com\/wp-content\/uploads\/sites\/2\/2026\/07\/Buzz-screenshot-1.png?quality=90&amp;strip=all&amp;crop=0,7.3742540494459,100,85.251491901108\" data-pswp-height=\"1333.3333333333333\" data-pswp-width=\"2000\" target=\"_blank\" rel=\"noreferrer nofollow noopener\"><img alt=\"\" data-chromatic=\"ignore\" loading=\"lazy\" decoding=\"async\" data-nimg=\"fill\" class=\"i7ks070\" style=\"position:absolute;height:100%;width:100%;left:0;top:0;right:0;bottom:0;color:transparent;background-size:cover;background-position:50% 50%;background-repeat:no-repeat;background-image:url(&quot;data:image\/svg+xml;charset=utf-8,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' %3E%3Cfilter id='b' color-interpolation-filters='sRGB'%3E%3CfeGaussianBlur stdDeviation='20'\/%3E%3CfeColorMatrix values='1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 100 -1' result='s'\/%3E%3CfeFlood x='0' y='0' width='100%25' height='100%25'\/%3E%3CfeComposite operator='out' in='s'\/%3E%3CfeComposite in2='SourceGraphic'\/%3E%3CfeGaussianBlur stdDeviation='20'\/%3E%3C\/filter%3E%3Cimage width='100%25' height='100%25' x='0' y='0' preserveAspectRatio='none' style='filter: url(%23b);' href='data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mN8+R8AAtcB6oaHtZcAAAAASUVORK5CYII='\/%3E%3C\/svg%3E&quot;)\"   src=\"https:\/\/www.europesays.com\/ie\/wp-content\/uploads\/2026\/07\/Buzz-screenshot-1.png\"\/><\/a><\/p>\n<p>Image credit: Buzz<\/p>\n<p><strong>Follow topics and authors<\/strong> from this story to see more like this in your personalized homepage feed and to receive email updates.<\/p>\n<ul class=\"tly2fw3\">\n<li id=\"follow-author-article_footer-dmcyOmF1dGhvclByb2ZpbGU6NjMwMTI1\">David ImelClose<img alt=\"David Imel\" data-chromatic=\"ignore\" loading=\"lazy\" decoding=\"async\" data-nimg=\"fill\" class=\"_1bw37385 i7ks070\" style=\"position:absolute;height:100%;width:100%;left:0;top:0;right:0;bottom:0;color:transparent;background-size:cover;background-position:50% 50%;background-repeat:no-repeat;background-image:url(&quot;data:image\/svg+xml;charset=utf-8,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' %3E%3Cfilter id='b' color-interpolation-filters='sRGB'%3E%3CfeGaussianBlur stdDeviation='20'\/%3E%3CfeColorMatrix values='1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 100 -1' result='s'\/%3E%3CfeFlood x='0' y='0' width='100%25' height='100%25'\/%3E%3CfeComposite operator='out' in='s'\/%3E%3CfeComposite in2='SourceGraphic'\/%3E%3CfeGaussianBlur stdDeviation='20'\/%3E%3C\/filter%3E%3Cimage width='100%25' height='100%25' x='0' y='0' preserveAspectRatio='none' style='filter: url(%23b);' href='data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mN8+R8AAtcB6oaHtZcAAAAASUVORK5CYII='\/%3E%3C\/svg%3E&quot;)\"   src=\"https:\/\/www.europesays.com\/ie\/wp-content\/uploads\/2026\/07\/BC24E188-89AF-4EAA-8F30-F4A1EDD99930.jpg\"\/>\n<p>David Imel<\/p>\n<p class=\"fv263x1\">Posts from this author will be added to your daily email digest and your homepage feed.<\/p>\n<p>FollowFollow<\/p>\n<p class=\"fv263x4\"><a class=\"fv263x5\" href=\"https:\/\/www.theverge.com\/authors\/david-imel\" rel=\"nofollow noopener\" target=\"_blank\">See All by David Imel<\/a><\/p>\n<\/li>\n<li>SlackClose\n<p>Slack<\/p>\n<p class=\"fv263x1\">Posts from this topic will be added to your daily email digest and your homepage feed.<\/p>\n<p>FollowFollow<\/p>\n<p class=\"fv263x4\"><a class=\"fv263x5\" href=\"https:\/\/www.theverge.com\/slack\" rel=\"nofollow noopener\" target=\"_blank\">See All Slack<\/a><\/p>\n<\/li>\n<li>TechClose\n<p>Tech<\/p>\n<p class=\"fv263x1\">Posts from this topic will be added to your daily email digest and your homepage feed.<\/p>\n<p>FollowFollow<\/p>\n<p class=\"fv263x4\"><a class=\"fv263x5\" 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agents.&hellip;\n","protected":false},"author":2,"featured_media":597380,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[74],"tags":[18,19,17,73342,753,82],"class_list":["post-597379","post","type-post","status-publish","format-standard","has-post-thumbnail","category-technology","tag-eire","tag-ie","tag-ireland","tag-slack","tag-tech","tag-technology"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/116959874415219820","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/597379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=597379"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/597379\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/597380"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=597379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=597379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=597379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}