Life & fun · alternatives · 2026

24 alternatives to OST Viewer Freeware

Professional tool to view, open and read corrupt OST files

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OST Viewer Freeware launched in 2023; newer entries below may have overtaken it.

1
Sysinfo Linux OST Viewer▲6
Sysinfo Linux OST Viewer to read and save OST files on Linux
2023 · its alternatives →
2
OST File Viewer▲3
Free OST Viewer to View Outlook OST File without Outlook
2022 · its alternatives →
3
OST File Opener▲1
Premium Tool to open corrupt OST file with attachments
2022 · its alternatives →
4
oss.gallery▲508
Discover the best open-source projects
2024 · its alternatives →
5TV
Tidy Viewer – a cross-platform CSV pretty printer for viewer enjoyment▲392
2021 · github.com · its alternatives →
6
DRS OST Viewer Tool▲1
It is the most trusted and genuine OST file reader solution
2023 · its alternatives →
7
Aryson OST Viewer▲2
Excellent Tool to view OST file with attachments effectively
2022 · its alternatives →
8OA
OSwatch – A News Aggregation Site for Open-Source Software▲150
2016 · oswatch.net · its alternatives →
9
Inspect▲206
Inspect and debug your web apps on iOS & Android devices
2020 · its alternatives →
10
Osint tool that finds exposed files on domains▲58
hey guys, wanted to show one of my side projects i just made public. the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed. it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search. would…
Jul 2026 · search.cerast-intelligence.com · its alternatives →
11
MacSonik OST Viewer Pro▲5
Powerful OST File Viewer for Enterprises & IT
Jul 2026 · macsonik.com · its alternatives →
12
Glance▲157
All-in-one Quick Look plugin for macOS
2020 · its alternatives →
13
Fileloupe▲95
High performance file viewer for OSX
2015 · its alternatives →
14
OST to PST Converter▲2
Best tool to convert OST file into different file formats.
2023 · its alternatives →
15OC
OsintRadar – Curated directory for osint tools▲83
A project which groups together curated open source intelligence tools, frameworks, and techniques.
Apr 2026 · osintradar.com · its alternatives →
16
MailConverterTools PST Viewer▲8
Best Tool to Open, View, and Read PST Files without Outlook
2025 · its alternatives →
17
Sysinfo Tools▲56
Best solution to convert Mac OLM files to PST format
2022 · its alternatives →
18
MBOX File Viewer▲4
Free MBOX File Viewer tool to open MBOX file content
2022 · its alternatives →
19
PST File Viewer Tool▲2
Best freeware software to open PST file without Outlook
2023 · its alternatives →
20
DRS Softech OST File Recovery Tool ▲6
Recover corrupt or inaccessible OST files in minutes
2025 · drssoftech.com · its alternatives →
21
Rag Document Viewer▲22
High‑Fidelity Document Viewer for RAG Apps
2025 · github.com · its alternatives →
22
PST File Viewer▲3
Free PST Viewer Tool To Open and Read PST File
2022 · its alternatives →
23OG
OSS Gallery – Crowdsourced list of the best open-source projects▲23
2024 · oss.gallery · its alternatives →
24
Slaytic Tools▲8
One platform. Hundreds of useful online tools.
Jul 2026 · tools.slaytic.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →