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Open source alternatives to Mailient
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Open source alternatives to Mailient

Open source startups in the same category as Mailient, ranked by GitHub stars and growth. Each repository is verified as belonging to the startup.

StartupRepositoryStars+30d90 daysLicense
Rustdesk rustdesk/rustdesk 125,731 +2,540 Rustdesk: GitHub stars, last 90 days AGPL-3.0
Syncthing syncthing/syncthing 89,366 +911 Syncthing: GitHub stars, last 90 days MPL-2.0
Spring Security spring-projects/spring-boot 81,618 +284 Spring Security: GitHub stars, last 90 days Apache-2.0
Cline cline/cline 70,282 +2,458 Cline: GitHub stars, last 90 days Apache-2.0
Strix usestrix/strix 68,404 +6,147 Strix: GitHub stars, last 90 days Apache-2.0
Traefik traefik/traefik 65,196 +425 Traefik: GitHub stars, last 90 days MIT
Pi-hole pi-hole/pi-hole 61,264 +437 Pi-hole: GitHub stars, last 90 days Other
Parcel parcel-bundler/parcel 44,009 +21 Parcel: GitHub stars, last 90 days MIT
Aqua Security aquasecurity/trivy 38,373 +524 Aqua Security: GitHub stars, last 90 days Apache-2.0
TailScale tailscale/tailscale 37,441 +1,041 TailScale: GitHub stars, last 90 days BSD-3-Clause
Keycloak keycloak/keycloak 37,323 +595 Keycloak: GitHub stars, last 90 days Apache-2.0
NetBird netbirdio/netbird 29,921 +784 NetBird: GitHub stars, last 90 days Other
authentik goauthentik/authentik 25,937 +464 authentik: GitHub stars, last 90 days Other
Brave brave/brave-browser 23,871 +321 Brave: GitHub stars, last 90 days MPL-2.0
Streisand personal VPN server jlund/streisand 23,437 +12 Streisand personal VPN server: GitHub stars, last 90 days Other
Fossorial Pangolin fosrl/pangolin 23,069 +393 Fossorial Pangolin: GitHub stars, last 90 days Other
Helium Browser imputnet/helium 21,527 +988 Helium Browser: GitHub stars, last 90 days GPL-3.0
Bitwarden Secrets Manager bitwarden/server 20,281 +185 Bitwarden Secrets Manager: GitHub stars, last 90 days Other
SimpleX chat simplex-chat/simplex-chat 19,554 +198 SimpleX chat: GitHub stars, last 90 days AGPL-3.0
ZeroTier zerotier/zerotierone 17,176 +97 ZeroTier: GitHub stars, last 90 days Other
Cryptomator cryptomator/cryptomator 16,297 +204 Cryptomator: GitHub stars, last 90 days GPL-3.0
Amnezia VPN amnezia-vpn/amnezia-client 15,408 +450 Amnezia VPN: GitHub stars, last 90 days GPL-3.0
SuperTokens supertokens/supertokens-core 15,348 +59 SuperTokens: GitHub stars, last 90 days Other
CrowdSec crowdsecurity/crowdsec 15,157 +323 CrowdSec: GitHub stars, last 90 days MIT
Duplicati duplicati/duplicati 15,085 +115 Duplicati: GitHub stars, last 90 days Other
Borg Backup borgbackup/borg 13,832 +138 Borg Backup: GitHub stars, last 90 days Other
Zenmap nmap/nmap 13,748 +184 Zenmap: GitHub stars, last 90 days Other
KeeWeb keeweb/keeweb 13,012 +31 KeeWeb: GitHub stars, last 90 days Other
Simple Mind Map wanglin2/mind-map 12,809 +127 Simple Mind Map: GitHub stars, last 90 days MIT
IronClaw nearai/ironclaw 12,652 +72 IronClaw: GitHub stars, last 90 days Apache-2.0

Data: GitHub APIAll open source startups →