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ISL Online alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave ISL Online: no permanent free plan, and less familiar brand for end users. We ranked 5 alternatives by how directly each one replaces ISL Online, then by reviews, real visits and how recently each app's facts were checked against its own website. BeyondTrust Remote Support currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1BeyondTrust Remote Support logoBeyondTrust Remote SupportPaidNoWindows, macOS, Linux +24 of 466.5
2ConnectWise ScreenConnect logoConnectWise ScreenConnectPaidNoWeb, Windows, macOS +33 of 362.6
3TeamViewer logoTeamViewerFree plan + paidNoWindows, macOS, Linux +35 of 559.6
4Zoho Assist logoZoho AssistFree plan + paidNoWeb, Windows, macOS +34 of 457.2
5RustDesk logoRustDeskOpen sourceYesWindows, macOS, Linux +34 of 455.3
  1. BeyondTrust Remote Support logo

    1. BeyondTrust Remote SupportTop pick

    Best for: Large or regulated service desks that need audited, tightly controlled remote support

    PaidSelf-hostableWindows, macOS, Linux, iOS, Android

    66.5

    score / 100

    Why switch from ISL Online

    Stronger enterprise auditing and privileged access controls.

    Pros

    • Detailed session recording and audit trails
    • Credential injection keeps passwords hidden from technicians
    • Cloud or on-premises appliance deployment
    • Very broad OS support including Raspberry Pi

    Cons

    • Quote-only enterprise pricing
    • Overkill for small teams
    • Console takes time to learn
    Visit BeyondTrust Remote Support Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is BeyondTrust Remote Support a good ISL Online alternative?

    Verified facts

    4 of 4 verified
    Linux support
    Debian, Fedora, RHEL, SLED, Ubuntu
    Checked Oct 25, 2026docs.beyondtrust.com(opens source in a new tab)
    Raspberry Pi
    Supported
    Checked Oct 25, 2026docs.beyondtrust.com(opens source in a new tab)
    Windows on ARM
    Native from version 26.2
    Checked Oct 25, 2026docs.beyondtrust.com(opens source in a new tab)
    Android
    Android 10 to 16
    Checked Oct 25, 2026docs.beyondtrust.com(opens source in a new tab)
  2. ConnectWise ScreenConnect logo

    2. ConnectWise ScreenConnect

    Best for: Managed service providers and help desks supporting many endpoints with a few technicians

    PaidSelf-hostableWeb, Windows, macOS, Linux, iOS, Android

    62.6

    score / 100

    Why switch from ISL Online

    Also self-hostable and per-concurrent-technician, with a large MSP user base.

    Pros

    • Licensed per concurrent technician, not per device
    • Self-hosted edition available
    • Backstage mode and command line for silent fixes

    Cons

    • No free plan
    • Self-hosted servers need prompt security patching
    • Console takes time to learn and customise
    Visit ConnectWise ScreenConnect Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ConnectWise ScreenConnect a good ISL Online alternative?

    Verified facts

    3 of 3 verified
    Standard plan
    $47 per concurrent tech/month, billed annually
    Checked Oct 25, 2026screenconnect.com(opens source in a new tab)
    Self-hosted option
    Yes
    Checked Oct 25, 2026screenconnect.com(opens source in a new tab)
    Supported devices
    Windows, Mac, Linux, mobile
    Checked Oct 25, 2026screenconnect.com(opens source in a new tab)
  3. TeamViewer logo

    3. TeamViewer

    Best for: Help desks and families who want the tool the other person most likely already knows

    Free plan + paidWindows, macOS, Linux, iOS, Android, Web

    59.6

    score / 100

    Why switch from ISL Online

    The tool most end users already recognise.

    Pros

    • Runs on almost every desktop and mobile operating system
    • Free for genuine personal use
    • Only the person giving support needs a licence
    • Large set of IT add-ons once you outgrow plain remote control

    Cons

    • Free users can be flagged for suspected commercial use
    • Business plans are annual only and add up quickly with add-ons
    • Interface has become crowded as the product widened
    Visit TeamViewer Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is TeamViewer a good ISL Online alternative?

    Verified facts

    5 of 5 verified
    Free for personal use
    Yes, own devices or friends and family
    Checked Oct 25, 2026teamviewer.com(opens source in a new tab)
    Billing
    Annual subscriptions
    Checked Oct 25, 2026teamviewer.com(opens source in a new tab)
    Who needs a licence
    Only the supporting expert
    Checked Oct 25, 2026teamviewer.com(opens source in a new tab)
    Platforms
    Windows, macOS, Linux, Android, iOS, ChromeOS, Raspberry Pi
    Checked Oct 25, 2026teamviewer.com(opens source in a new tab)
    Add-on trial
    30 days
    Checked Oct 25, 2026teamviewer.com(opens source in a new tab)
  4. Zoho Assist logo

    4. Zoho Assist

    Best for: Help desks wanting inexpensive cloud remote support, especially those already using Zoho

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    57.2

    score / 100

    Why switch from ISL Online

    Cheaper cloud support with a free plan to start on.

    Pros

    • Permanent free edition
    • Low per-technician pricing
    • Supports customers on desktop and mobile platforms
    • Ties into Zoho Desk and other help desks

    Cons

    • Attended and unattended plans are sold separately
    • Interface feels utilitarian
    • Free edition is limited to basic sessions
    Visit Zoho Assist Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Zoho Assist a good ISL Online alternative?

    Verified facts

    4 of 4 verified
    Free trial
    15 days, no credit card
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Free plan
    Yes, lifetime free version
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Supported devices
    Windows, Mac, Linux, iOS, Android, Chromebook
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Remote Support sessions
    Unlimited ad-hoc sessions per technician
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
  5. RustDesk logo

    5. RustDesk

    Best for: Admins and privacy-minded users who want TeamViewer-style access on their own server

    Open sourceSelf-hostableWindows, macOS, Linux, iOS, Android, Self-hosted

    55.3

    score / 100

    Why switch from ISL Online

    Free open-source option if self-hosting is the main requirement.

    Pros

    • Free, open-source client and server
    • Traffic can stay entirely on your own relay
    • Familiar ID-and-password workflow
    • Affordable Pro server for teams

    Cons

    • Self-hosting the server takes some setup and upkeep
    • Admin console and user management need the paid Pro server
    • No vendor-hosted SaaS option
    Visit RustDesk Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is RustDesk a good ISL Online alternative?

    Verified facts

    4 of 4 verified
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Free self-hosting
    $0/month
    Checked Oct 25, 2026rustdesk.com(opens source in a new tab)
    Individual Pro server
    $11.88/month, billed annually
    Checked Oct 25, 2026rustdesk.com(opens source in a new tab)
    Hosted service
    No, self-hosted only
    Checked Oct 25, 2026rustdesk.com(opens source in a new tab)

The best ISL Online alternative for…

The highest-ranked app in this list for each need.

BeyondTrust Remote Support logo

Best ISL Online alternative for most people

BeyondTrust Remote Support

Stronger enterprise auditing and privileged access controls.

RustDesk logo

Best ISL Online alternative for a free option

RustDesk

Free open-source option if self-hosting is the main requirement.

TeamViewer logo

Best ISL Online alternative for a free plan you can upgrade

TeamViewer

The tool most end users already recognise.

RustDesk logo

Best ISL Online alternative for open source

RustDesk

Free open-source option if self-hosting is the main requirement.

ConnectWise ScreenConnect logo

Best ISL Online alternative for self-hosting

ConnectWise ScreenConnect

Also self-hostable and per-concurrent-technician, with a large MSP user base.

Zoho Assist logo

Best ISL Online alternative for Mac

Zoho Assist

Cheaper cloud support with a free plan to start on.

BeyondTrust Remote Support logo

Best ISL Online alternative for Windows

BeyondTrust Remote Support

Stronger enterprise auditing and privileged access controls.

BeyondTrust Remote Support logo

Best ISL Online alternative for Linux

BeyondTrust Remote Support

Stronger enterprise auditing and privileged access controls.

BeyondTrust Remote Support logo

Best ISL Online alternative for iPhone and Android

BeyondTrust Remote Support

Stronger enterprise auditing and privileged access controls.

ConnectWise ScreenConnect logo

Best ISL Online alternative for working in the browser

ConnectWise ScreenConnect

Also self-hostable and per-concurrent-technician, with a large MSP user base.

ISL Online alternatives: common questions

What is the best alternative to ISL Online?

BeyondTrust Remote Support ranks first right now. Stronger enterprise auditing and privileged access controls. ConnectWise ScreenConnect and TeamViewer follow it in our ranking.

Is there a free alternative to ISL Online?

Yes. TeamViewer (free plan + paid), Zoho Assist (free plan + paid) and RustDesk (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to ISL Online?

Yes: RustDesk. RustDesk can also be self-hosted.

Which ISL Online alternatives work on Linux?

BeyondTrust Remote Support, ConnectWise ScreenConnect, TeamViewer, Zoho Assist and RustDesk run on Linux.

Why do people switch from ISL Online?

The complaints we hear most: no permanent free plan; less familiar brand for end users; several separate apps to learn.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces ISL Online, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.