An open letter, or something September 18th 2025 For nearly 11 years, Hack Club - a nonprofit that provides coding education and community to teenagers worldwide - has used Slack as the tool for communication. We weren’t freeloaders. A few years ago, when Slack transitioned us from their free nonprofit plan to a $5,000/year arrangement, we happily paid. It was reasonable, and we valued the service they provided to our community. However, two days ago, Slack reached out to us and said that...