COSS Weekly: Together AI raises an $800M series C, SuperPlane raises a $2.6M seed, Aikido acquires Root.io, and more Together AI raised an $800M Series C to accelerate open-source AI, SuperPlane secured a $2.6M pre-seed for AI-driven engineering automation, and Aikido Security acquired Root.io to enhance software supply chain security. Other notable events include Nvidia adopting OpenBao, Immich reaching version 3.0, and Deutsche Telekom partnering with n8n for AI agent automation. This week in COSS: Together AI announced an $800M Series C to accelerate the shift to open-source AI, SuperPlane raised a $2.6M pre-seed round to build an automation engine for AI-driven engineering, and Aikido Security acquired Root.io to strengthen software supply chain security. Other headlines include a New York Times profile of Together AI, Nvidia adopting OpenBao an open source fork of HashiCorp Vault , Immich hitting version 3.0, Deutsche Telekom partnering with n8n for AI agent automation, Ververica sunsetting its cloud managed service in favor of sovereign BYOC Apache Flink deployments, a German state deploying Nextcloud statewide to replace Microsoft SharePoint, and a Traefik blog post on the implications of governments switching off frontier AI models overnight. We also feature the following companies in Cossmology: Immich, Keploy, KorPro, Metabase, Open Mercato, PipeLab, Pluton, SuperPlane, Terrateam, and ZeroRisc. Companies mentioned: Together AI https://cossmology.com/organizations/together-ai Funding · Together AI Blog Companies mentioned: Together AI https://cossmology.com/organizations/together-ai Media Mention · New York Times Companies mentioned: Aikido Security https://cossmology.com/organizations/aikido Announcement · Aikido Security Blog Companies mentioned: SuperPlane https://cossmology.com/organizations/superplane Funding · SuperPlane Blog Companies mentioned: HashiCorp https://cossmology.com/organizations/hashicorp Announcement · TechTarget Companies mentioned: Traefik Labs https://cossmology.com/organizations/traefik-labs OSS News & Views · Traefik Blog Companies mentioned: Nextcloud https://cossmology.com/organizations/nextcloud Announcement · Tech.eu Companies mentioned: n8n https://cossmology.com/organizations/n8n Announcement · The Fast Mode Companies mentioned: Ververica https://cossmology.com/organizations/ververica Announcement · Ververica Blog Companies mentioned: Immich https://cossmology.com/organizations/immich Announcement · Immich Blog Open-source AI agent firewall Multi-cloud Kubernetes cost optimizer Open-source self-hosted backup solution Open-source AI CRM/ERP foundation framework Open-source control plane for platform engineering Self-hosted photo & video management solution ZeroRisc offers secure silicon device management. GitOps automation for Terraform & OpenTofu Open-source business intelligence platform AI-powered API testing platform