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CallSpark

Alternatives to CallSpark

50 Productivity apps to use instead, best rated first.

Top picks

  1. 1

    Linear

    The issue tracker you'll enjoy using

    4.8Free

    Launch
  2. 2

    Notion

    Your wiki, docs & projects

    4.7Free

    Launch
  3. 3

    Miro

    The collaborative whiteboard

    4.7Free / Team

    Launch
  4. 4

    Slack

    Where work happens

    4.6Free / Pro

    Launch
  5. 5

    Loom

    Async video messaging

    4.6Free / Pro

    Launch
  6. 6

    Logseq

    A privacy-first alternative to WorkFlowy

    logseq.com

    Launch

Why choose an alternative

  • They cost nothing

    4 of these are free. CallSpark is paid.

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  • The code is open

    44 of these are open source.

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    M
    P
    F
    F
    G

  • You can host it yourself

    5 of these are built to run on your own server.

    P
    P
    A
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    M

  • Your data stays yours

    7 of these are built around privacy.

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    N
    P
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    T

Side by side

C
CallSpark
Linear
Notion
Miro
Slack
Loom
L
Logseq
Rating–4.84.74.74.64.6–
PricePaidFreeFreeFree / TeamFree / ProFree / Pro–
Monthly visits–4.1M12M7.4M15M4.9M–
Open source––––––
LaunchLaunchLaunchLaunchLaunchLaunchLaunch

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Metabase

Business intelligence software

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Plane

AI-native project management

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9
F

Flowise

Build AI agents visually, an open source agentic systems development platform

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10
F

Formbricks

Build forms and receive & manage submission data in one platform

Launch
11
G

Grist

Spreadsheet Software to End Data Chaos

Launch
12
H

Home Assistant

Open source home automation that puts local control and privacy first

Launch
13
J

Jitsi

Free Video Conferencing Software for Web & Mobile

Launch
14
M

Mattermost

Collaboration Platform for Mission Critical Work

Launch
15
M

Medusa

Headless e-commerce platform

Launch
16
N

Nextcloud

Open source content collaboration platform

Launch
17
N

Notesnook

Open source zero knowledge private note taking

Launch
18
O

Odoo

Open Source ERP and CRM

Launch
19
P

Paperless-home

Paperless-home hosts your personal document management system: Paperless

Launch
20
P

Plausible

Simple, privacy-friendly Google Analytics alternative

Launch
21
R

RustDesk

Open source virtual / remote desktop infrastructure for everyone

Launch
22
S

Saleor

Composable, Open Source, Headless Ecommerce Platform

Launch
23
S

Signal

Encrypted, secure chat and video calls

Launch
24
U

Umami

Privacy-First Analytics Platform

Launch
25
A

Alacritty

Modern cross-platform terminal emulator

Launch
26
A

Automatisch

Open Source Zapier Alternative

Launch
27
B

Bagisto

Headless e-commerce platform

Launch
28
B

Better Auth

A comprehensive authentication framework offering email/password

Launch
29
E

Element

Secure collaboration and messaging

Launch
30
E

ERPNext

Open-source ERP solution offering modules

Launch
31
F

Fandom

The entertainment site where fans come first

Launch
32
G

GitButler

A Git client for simultaneous branches on top of your existing workflow

Launch
33
K

Karakeep

Save, Organize & Tag with AI

Launch
34
L

LanguageTool

Open source grammar, style and

Launch
35
M

Matomo

Privacy-first analytics you can trust

Launch
36
M

Memos

Memos is a self-hosted, open-source note-taking app built around a private

Launch
37
O

OpenProject

Project management software

Launch
38
P

Proton Mail

Free secure email account service provider with built-in end-to-end encryption

Launch
39
R

Redash

Redash is an open-source data visualization and analytics platform

Launch
40
S

Seafile

Open Source File Sync and Share Software

Launch
41
T

Temporal

Workflows as code platform

Launch
42
T

Tuta

Secure email for everybody. Open Source

Launch
43
T

Twenty

Self-hostable CRM built for technical teams who need a fully customizable

Launch
44
W

Windmill

Code-first orchestration platform for internal software

Launch
45
Z

Zellij

A terminal multiplexer that organizes your workflow

Launch
46
Z

Zotero

FOSS tool to collect, organize, cite, and

Launch
47
Z

Zulip

Organized team chat

Launch
48
A

ActivityWatch

Free open-source time tracker that automatically monitors your device usage

Launch
49
A

Anarlog

Records system audio without joining your call

Launch
50
A

Anytype

An open-source Notion alternative

Launch

About CallSpark

C

CallSpark

Everything you need to make international calling simple and affordable

Make affordable international calls right from your browser. Best alternative to skype and google voice.

View CallSparkAll Productivity apps
Price
Paid
Category
Productivity
Website
callspark.app