Open-source alternatives starting with M 170 in total.
- M-Files alternatives
- mabl alternatives
- MacroDroid alternatives
- MadCap Flare alternatives
- Magic Earth alternatives
- Magic Patterns alternatives
- MagicBell alternatives
- Magnet alternatives
- Magnific alternatives
- Mail.com alternatives
- Mailbird alternatives
- mailbox.org alternatives
- Mailbutler alternatives
- Mailchimp alternatives
- MailerLite alternatives
- MailerSend alternatives
- Mailgun alternatives
- Mailjet alternatives
- Mailmodo alternatives
- Mailtrap alternatives
- MailUp alternatives
- Make alternatives
- Malwarebytes alternatives
- ManageEngine Applications Manager alternatives
- ManageEngine OpManager alternatives
- ManageEngine Password Manager Pro alternatives
- ManageEngine ServiceDesk Plus alternatives
- Manatal alternatives
- Mandiant alternatives
- Mangools alternatives
- ManicTime alternatives
- Manus alternatives
- MapQuest alternatives
- MAPS.ME alternatives
- Marker.io alternatives
- MarketMuse alternatives
- Marketo Engage alternatives
- MarkLogic alternatives
- Marmoset Toolbag alternatives
- Marvel alternatives
- Master.dev (Frontend Masters) alternatives
- Mastercam alternatives
- MasterGo alternatives
- MASV alternatives
- Matecat alternatives
- Matillion alternatives
- MATLAB alternatives
- Matter alternatives
- Maven alternatives
- Maximizer CRM alternatives
- Maxio alternatives
- MDaemon alternatives
- Medallia alternatives
- MediaFire alternatives
- Medium alternatives
- MeetGeek alternatives
- MEGA alternatives
- Megaphone alternatives
- Megaventory alternatives
- MeisterTask alternatives
- Melio alternatives
- Mem alternatives
- Memberstack alternatives
- memoQ alternatives
- Memrise alternatives
- Mend alternatives
- Mendeley alternatives
- Mendix alternatives
- Mercado Libre alternatives
- Merge alternatives
- Messenger alternatives
- Meta AI alternatives
- Method CRM alternatives
- Metricool alternatives
- Metronome alternatives
- Mezmo alternatives
- Micro.blog alternatives
- Microsoft 365 alternatives
- Microsoft Authenticator alternatives
- Microsoft Azure alternatives
- Microsoft Bookings alternatives
- Microsoft Clipchamp alternatives
- Microsoft Copilot alternatives
- Microsoft Copilot Studio alternatives
- Microsoft Defender alternatives
- Microsoft Designer alternatives
- Microsoft Dynamics 365 Finance alternatives
- Microsoft Dynamics 365 Supply Chain Management alternatives
- Microsoft Edge alternatives
- Microsoft Entra ID alternatives
- Microsoft Excel alternatives
- Microsoft Fabric alternatives
- Microsoft Intune alternatives
- Microsoft Loop alternatives
- Microsoft OneDrive alternatives
- Microsoft OneNote alternatives
- Microsoft Outlook alternatives
- Microsoft Power Apps alternatives
- Microsoft Power Automate alternatives
- Microsoft Power Pages alternatives
- Microsoft PowerPoint alternatives
- Microsoft Project alternatives
- Microsoft Sentinel alternatives
- Microsoft SQL Server alternatives
- Microsoft Teams alternatives
- Microsoft To Do alternatives
- Microsoft Translator alternatives
- Microsoft Visio alternatives
- Microsoft Whiteboard alternatives
- Microsoft Word alternatives
- MicroStation alternatives
- Midjourney alternatives
- Mighty Networks alternatives
- Milanote alternatives
- Mimecast alternatives
- Mimestream alternatives
- Mindbreeze alternatives
- MindManager alternatives
- MindMeister alternatives
- MindMup alternatives
- MindNode alternatives
- Mindomo alternatives
- Mintlify alternatives
- Mirantis alternatives
- Miro alternatives
- MirrorFly alternatives
- Missive alternatives
- Mistral AI alternatives
- Mitel alternatives
- Mixcloud alternatives
- Mixpanel alternatives
- Mobirise alternatives
- Mockaroo alternatives
- Modal alternatives
- Mode alternatives
- MoEngage alternatives
- Moi3D alternatives
- Mojeek alternatives
- Mollie alternatives
- Momento alternatives
- Monarch alternatives
- monday CRM alternatives
- monday.com alternatives
- MongoDB Atlas alternatives
- Moosend alternatives
- Moovit alternatives
- Mopinion alternatives
- Moqups alternatives
- Morgen alternatives
- Mosyle alternatives
- MotherDuck alternatives
- Motion alternatives
- Mouseflow alternatives
- Movavi Video Editor alternatives
- Moveworks alternatives
- Moz alternatives
- mParticle alternatives
- MRPeasy alternatives
- mSecure alternatives
- MUBI alternatives
- MuleSoft alternatives
- Mullvad VPN alternatives
- Mural alternatives
- Murf AI alternatives
- Muse alternatives
- Mux alternatives
- MyDraw alternatives
- Mylio Photos alternatives
- mymind alternatives
- MYOB alternatives