bytemagic

Open alternatives to Microsoft & Google

You don't have to run your business on the terms of two American advertising companies. There's a full, mature open-source stack that covers email, files, documents, chat, calls and projects — and we run it for you.

What you actually need — and what replaces it

A pragmatic map of the open-source tools we deploy in production. Not toys, not side projects — software that runs entire companies.

authentik

Replaces: Okta · Auth0 · Microsoft Entra ID

A modern identity provider for single sign-on, MFA and access policies across all your apps. SAML, OAuth2 and OIDC out of the box — one login, on your terms.

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mailcow

Replaces: Microsoft Exchange · Gmail

Real, standards-based email on your own domain. IMAP, SMTP, spam filtering, calendars and contacts — without your inbox feeding an ad engine.

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Bitwarden

Replaces: 1Password · LastPass

A secure, open-source password manager for your team. Shared vaults, role-based access and end-to-end encryption — without trusting a closed-source vendor with every credential you own.

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Nextcloud

Replaces: Microsoft 365 · Google Workspace

Files, sharing, sync and a full collaboration suite. Desktop and mobile clients, end-to-end encryption, and admin controls that actually behave like admin controls.

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Nextcloud Talk

Replaces: Teams · Slack · Google Chat

Team chat, video calls and meetings with screen sharing and dial-in — integrated with your Nextcloud, without exporting every conversation to a US hyperscaler.

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GitLab

Replaces: GitHub · Bitbucket · Jenkins

A complete DevOps platform: Git hosting, code review, CI/CD pipelines, container registry and issue tracking — in one self-hosted application, without renting your source code from a US hyperscaler.

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Open WebUI

Replaces: ChatGPT · Claude · Gemini

A single, self-hosted interface for AI workloads. Works with local models and cloud-hosted providers — your prompts and data stay on your terms.

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Paperless-ngx

Replaces: OneNote · Evernote

Scan, OCR, tag and search every document your business produces. A searchable archive that turns paper and PDFs into structured, findable knowledge — hosted on your own infrastructure.

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BookStack

Replaces: Confluence · Notion

A simple, structured wiki for your team's knowledge. Books, chapters and pages with a clean WYSIWYG editor, full-text search and granular permissions — your documentation, on your servers.

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Not sure where to start?

Send us a rough sketch of what you use today and what hurts most. We'll propose a concrete first step — usually mail or files — and a path for the rest.