Online Apps Page 4 of 2088

Browse 52,181 Online Apps on AlternativeTo with popular options like Open Source and Open Source + EU.

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  1. Perplexity icon
     137 likes

    AI tool transforming search experiences by providing accurate answers through a conversational interface, considering context and user preferences.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    Perplexity screenshot 1
    Perplexity screenshot 1
    Perplexity screenshot 2
    +10
    Perplexity screenshot 3
    55 alternatives
    4.2
    Very Good12 reviews
  2. IMDb icon
     731 likes

    Launched online in 1990 and a subsidiary of Amazon.com since 1998, IMDb is the world's most popular and authoritative source for movie, TV and celebrity content, designed to help fans explore the world of movies and shows and decide what to watch.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Kindle Fire
    • Software as a Service (SaaS)
    IMDb screenshot 1
    IMDb screenshot 1
    4.5
    Excellent10 reviews
  3. SponsorBlock icon
     126 likes

    SponsorBlock is a browser extension and open API via crowdsource for skipping sponsor segments in YouTube videos. It's open-source. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about using a privacy...

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Opera
    • Mozilla Firefox
    SponsorBlock screenshot 1
    SponsorBlock screenshot 1
    75 alternatives
    4.9
    Excellent21 reviews
  4. NextDNS icon
     149 likes

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • BSD
    • iPad
    • UC Browser
    • Vivaldi
    • Google Chrome
    • UniFi Network
    • Safari
    • Yandex Browser
    • Software as a Service (SaaS)
    • OpenWrt
    • Opera
    • Alpine Linux
    • pfSense
    • Mozilla Firefox
    • DD-WRT
    NextDNS screenshot 1
    NextDNS screenshot 1
    NextDNS screenshot 2
    +11
    NextDNS screenshot 3
    139 alternatives
    4.6
    Excellent16 reviews
  5. Lemmy icon
     186 likes

    Lemmy is similar to sites like Reddit, Lobste.rs, or Hacker News: you subscribe to forums you're interested in, post links and discussions, then vote, and comment on them. Behind the scenes, it is very different; anyone can easily run a server, and all these servers are...

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Self-Hosted
    Lemmy screenshot 1
    Lemmy screenshot 1
    75 alternatives
    4.1
    Very Good23 reviews
  6. Google Calendar icon
     945 likes

    Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Sunbird
    • Google Chrome
    Google Calendar screenshot 1
    Google Calendar screenshot 1
    Google Calendar screenshot 2
    +4
    Google Calendar screenshot 3
    161 alternatives
    3.7
    Good16 reviews
  7. Microsoft OneNote icon
     1139 likes

    Microsoft OneNote, part of the Microsoft 365 Copilot, is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks, syncing between multiple computers and devices via Windows...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Windows Phone
    • iPad
    • Apple Watch
    • Android Wear
    • Kindle Fire
    Microsoft OneNote screenshot 1
    Microsoft OneNote screenshot 1
    Microsoft OneNote screenshot 2
    +4
    Microsoft OneNote screenshot 3
    142 alternatives
    3.3
    Fair41 reviews
  8. PrivacyTools.io icon
     284 likes

    You are being watched. Private and state-sponsored organizations are monitoring and recording your online activities. privacytools.io provides services, tools and knowledge to protect your privacy against global mass surveillance.

    Cost / License

    Application type

    Platforms

    • Online
    Front page captured 2024-03-25T10:05:20.587Z
    PrivacyTools.io screenshot 1
    PrivacyTools.io screenshot 2
    72 alternatives
    3.7
    Good19 reviews
  9. Docker icon
     329 likes

    Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • TrueNAS
    Docker screenshot 1
    Docker screenshot 1
    29 alternatives
  10. Duck.ai is a free feature that allows you to have private conversations with 3rd-party AI chat models, anonymized by us. It currently supports Anthropic’s Claude 3 Haiku, Meta’s Llama 4, Mistral AI’s Mistral Small 3, and OpenAI’s GPT-4o mini.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • DuckDuckGo
    DuckDuckGo AI Chat screenshot 1
    DuckDuckGo AI Chat screenshot 1
    DuckDuckGo AI Chat screenshot 2
    110 alternatives
  11. Office suite offering productivity tools for document creation, collaboration, and AI-enhanced editing across various platforms and devices.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    Microsoft 365 Copilot screenshot 1
    Microsoft 365 Copilot screenshot 1
    Microsoft 365 Copilot screenshot 2
    +8
    Microsoft 365 Copilot screenshot 3
    52 alternatives
    3.9
    Good32 reviews
  12. Jitsi Meet icon
     284 likes

    Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free.

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • F-Droid
    Jitsi Meet screenshot 1
    Jitsi Meet screenshot 1
    Jitsi Meet screenshot 2
    148 alternatives
    4.3
    Very Good29 reviews
  13. Internet Archive icon
     201 likes

    The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, it provides free access to researchers, historians, scholars, the print disabled, and the general public.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Internet Archive screenshot 1
    Internet Archive screenshot 1
    Internet Archive screenshot 2
    +5
    Internet Archive screenshot 3
    39 alternatives
    4.2
    Very Good16 reviews
  14. Inoreader icon
     1457 likes

    Aggregate RSS, newsletters, and social feeds with advanced filtering, real-time cross-device syncing, customizable reading views, and ad-free experience.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Kindle Fire
    • Opera
    • Mozilla Firefox
    Inoreader screenshot 1
    Inoreader screenshot 1
    Inoreader screenshot 2
    288 alternatives
    3.5
    Good31 reviews
  15. wallabag icon
     307 likes

    Open-source, self-hosted tool that extracts articles, offers offline mobile reading, powerful filters, migration from other services, and multiple download formats.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Google Chrome
    • Cloudron
    • Opera
    • Mozilla Firefox
    wallabag screenshot 1
    wallabag screenshot 1
    wallabag screenshot 2
    +4
    wallabag screenshot 3
    98 alternatives
    4.2
    Very Good12 reviews
  16. JavaScript icon
     629 likes

    JavaScript (sometimes shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but also used in many non-browser environments.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • BSD
    • iPad
    • AROS
    • Haiku
    JavaScript screenshot 1
    JavaScript screenshot 1
    61 alternatives
    4.1
    Very Good16 reviews
  17. Google Docs icon
     954 likes

    Online word processor offering real-time collaboration, document conversion, robust formatting, revision history, redownloading, and language translation.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    Google Docs screenshot 1
    Google Docs screenshot 1
    Google Docs screenshot 2
    111 alternatives
    3.9
    Good13 reviews
  18. addy.io icon
     139 likes

    Open-source service offering unlimited anonymous email aliases, encrypted forwarding, spam protection, and anonymous replies to keep your identity private.

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Mozilla Firefox
    Manage aliases from the dashboard
    The main interface for the Firefox extension
    Settings for the extension
    +1
    Generate Random Chars alias using the extension.
    109 alternatives
    4.7
    Excellent16 reviews