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Cover image for COSS Weekly: Cal.com Goes Closed Source, Mistral Borrows $830M for Data Centers, OpenAI Acquires Promptfoo, and more
Sabir Ibrahim
Sabir Ibrahim

Posted on • Originally published at chinstrap.community

COSS Weekly: Cal.com Goes Closed Source, Mistral Borrows $830M for Data Centers, OpenAI Acquires Promptfoo, and more

This week in COSS: Mistral raised $830 million in debt financing for AI data center expansion, OpenAI acquired Promptfoo signaling a growing focus on AI security, and Cal.com made waves by going closed source in a move that sparked debate about the future of open source software security. Self-hosted AI automation stacks featuring n8n, Dify, and Ollama are gaining traction, while PrestaShop announced a formal collective restructuring process and Starburst unveiled an AI-powered front end aimed at replacing conventional BI dashboards. We also feature the following companies in Cossmology: ACI.dev, Beanbag, Builderz, Cachix, Code Machine, DataChain, Flox, HTTPie, Manticore Software, and Redgate Software.

COSS Headlines

These niche AI startups are trying to protect the Pentagon’s secrets

Companies mentioned: Arize AI
Media Mention · Fortune

What is Auto-GPT and why are hustle bros hype for it?

Companies mentioned: AutoGPT
OSS News & Views · Mashable

Indian payments unicorn Juspay targets Middle East enterprise market

Companies mentioned: Juspay
Media Mention · Aletihad News Center

Why "good enough" cloud databases are becoming a business risk

Companies mentioned: ScyllaDB
Media Mention · The New Stack

The Nextcloud and OnlyOffice feud may kill my self-hosted office setup

Companies mentioned: Nextcloud
OSS News & Views · XDA-Developers

n8n, Dify, and Ollama might be the best self-hosted AI automation stack right now

Companies mentioned: Ollama
OSS News & Views · XDA Developers

Cal.com goes closed source: A security reckoning for OSS

Companies mentioned: Cal.com
OSS News & Views · The New Stack

France's Mistral raises $830 million in debt for AI data centre build-up

Companies mentioned: Mistral AI
Funding · Reuters

OpenAI's Promptfoo acquisition signals growing focus on AI security risks

Companies mentioned: Promptfoo
Announcement · MSN

Portainer turned my chaotic Docker setup into something I could actually see

Companies mentioned: Portainer
Media Mention · MakeUseOf

Google's AI Summaries Are Regularly Lying to You, Report Finds

Companies mentioned: Oumi
Media Mention · PCMag

What Is Hermes? The Self-Improving AI Agent Coming for OpenClaw

Companies mentioned: Nous Research, OpenClaw
OSS News & Views · Decrypt

Starburst adds AI front end in a bid to make conventional business intelligence dashboards obsolete

Companies mentioned: Starburst Data
OSS News & Views · SiliconANGLE

PrestaShop Initiates Formal Collective Restructuring Process

Companies mentioned: PrestaShop
Announcement · PrestaShop Blog

More COSS Headlines →


Featured COSS Companies

Redgate Software
Database DevOps tools and solutions

Manticore Software
Open-source fast database for search

Cachix
Nix binary cache hosting service

Builderz
AI agents & blockchain dev agency

ACI.dev
AI tooling governance platform

DataChain
AI data warehouse for unstructured data

Beanbag
Open source code review tools for teams

Code Machine
Multi-agent AI coding orchestrator

HTTPie
Human-friendly API testing tools

Flox
Reproducible dev environments built on Nix

More COSS Companies →

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